{"title":"GSM, 4G \u0026 LTE Modules","description":"\u003cp\u003eA module that lets a project send data or SMS over the mobile network, like a SIM card device. Sends SMS alerts or mobile-data updates from the project even where there's no Wi-Fi.\u003c\/p\u003e\u003cp\u003ePart of our \u003ca href=\"\/collections\/cellular-gps-modules\"\u003eCellular \u0026amp; GPS Modules\u003c\/a\u003e range in \u003ca href=\"\/collections\/wireless-rf\"\u003eWireless \u0026amp; IoT\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"smartelex-gsm-gprs-shield-for-arduino-1","title":"SmartElex GSM\/GPRS Shield  for Arduino","description":"\u003cp\u003eThe SmartElex GSM\/GPRS Shield for Arduino connects your Arduino to a cellular GSM network so you can send SMS, make calls and access the internet over GPRS. Checking the SmartElex GSM\/GPRS shield price in india? This Arduino GSM shield is popular with makers and IoT engineers in Bangalore and across India, and ships from our Bengaluru warehouse with a GST invoice.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eGSM Module\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eQuectel M66\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSMS, voice calls, GPRS internet\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eSIM Support\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOnboard SIM card holder\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eExtras\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eCellular antenna, headphone connector, Bluetooth 3.0 with antenna\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eControl\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eAT command interface\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eImported\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003eGSM Module:\u003c\/strong\u003e Quectel M66\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eConnectivity:\u003c\/strong\u003e SMS, voice calls, GPRS internet\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eSIM Support:\u003c\/strong\u003e Onboard SIM card holder\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eExtras:\u003c\/strong\u003e Cellular antenna, headphone connector, Bluetooth 3.0 with antenna\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eControl:\u003c\/strong\u003e AT command interface\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Imported\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose SmartElex GSM\/GPRS Shield for Arduino?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of SmartElex GSM\/GPRS Shield for Arduino\u003c\/h2\u003e\u003cul\u003e \u003cli\u003ePlugs directly onto Arduino for a quick GSM start\u003c\/li\u003e \u003cli\u003eSend\/receive SMS, make\/answer calls, GPRS data access\u003c\/li\u003e \u003cli\u003eIncludes SIM holder, cellular antenna and headphone connector\u003c\/li\u003e \u003cli\u003eConfigured and controlled via standard AT commands\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eSMS alert and remote-control IoT projects\u003c\/li\u003e \u003cli\u003eArduino-based GSM\/GPRS data logging and telemetry\u003c\/li\u003e \u003cli\u003eCellular-connected automation and monitoring builds\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhich module does this shield use?\u003c\/strong\u003e\u003cbr\u003eIt uses the Quectel M66 GSM\/GPRS module.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is the shield controlled?\u003c\/strong\u003e\u003cbr\u003eAT commands are used to configure and communicate with the shield.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk pricing?\u003c\/summary\u003e\u003cp\u003eYes — message us on WhatsApp for bulk or business pricing on SmartElex GSM\/GPRS Shield for Arduino.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your SmartElex GSM\/GPRS Shield for Arduino today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy SmartElex GSM\/GPRS Shield for Arduino Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/arduino\"\u003eArduino\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48741291589889,"sku":"TTD-3707","price":1870.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/afa43fa76401895f2f83b8afef47b4b5.png?v=1778023109"},{"product_id":"waveshare-sim7600g-h-based-4g-3g-2g-gsm-gprs-gnss-hat-for-raspberry-pi-lte-cat4-global-version","title":"Waveshare SIM7600G-H Based 4G \/ 3G \/ 2G \/ GSM \/ GPRS \/ GNSS HAT for Raspberry Pi, LTE CAT4 ***Global Version***","description":"\u003cp\u003eThe Waveshare SIM7600G-H Based 4G \/ 3G \/ 2G \/ GSM \/ GPRS \/ GNSS HAT for Raspberry Pi, LTE CAT4 ***Global Version*** is a Raspberry Pi product available online in India from Tech Depot India, with a GST invoice on every order.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eChipset\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSIMCom SIM7600G-H\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eNetwork\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eLTE CAT4 \/ 3G \/ 2G, global bands\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eMax Downlink\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003e150Mbps down, 50Mbps up\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003ePositioning\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eGNSS (GPS, GLONASS, BeiDou, Galileo)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eUSB, UART on Raspberry Pi 40-pin header\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eImported\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003eChipset:\u003c\/strong\u003e SIMCom SIM7600G-H\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eNetwork:\u003c\/strong\u003e LTE CAT4 \/ 3G \/ 2G, global bands\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eMax Downlink:\u003c\/strong\u003e 150Mbps down, 50Mbps up\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003ePositioning:\u003c\/strong\u003e GNSS (GPS, GLONASS, BeiDou, Galileo)\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eInterface:\u003c\/strong\u003e USB, UART on Raspberry Pi 40-pin header\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Imported\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose Waveshare SIM7600G-H Based 4G \/ 3G \/ 2G \/ GSM \/ GPRS \/ GNSS HAT for Raspberry Pi, LTE CAT4 ***Global Version***?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of Waveshare SIM7600G-H Based 4G \/ 3G \/ 2G \/ GSM \/ GPRS \/ GNSS HAT for Raspberry Pi, LTE CAT4 ***Global Version***\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e4G LTE high-speed internet, calls and SMS for Raspberry Pi\u003c\/li\u003e \u003cli\u003eBuilt-in GNSS positioning for tracking and location projects\u003c\/li\u003e \u003cli\u003eGlobal frequency bands for worldwide cellular connectivity\u003c\/li\u003e \u003cli\u003eLow power consumption with standard 40-pin GPIO fit\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eRemote IoT telemetry and data logging without WiFi\u003c\/li\u003e \u003cli\u003eGPS asset tracking and fleet monitoring\u003c\/li\u003e \u003cli\u003eConnected weather stations and field sensors\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eWaveshare SIM7600G-H 4G \/ 3G \/ 2G GNSS HAT for Raspberry Pi\u003c\/h2\u003e\u003cp\u003eThe Waveshare SIM7600G-H 4G HAT brings LTE CAT4 cellular data, voice, SMS and GNSS positioning to your Raspberry Pi. Checking the Waveshare SIM7600G-H 4G HAT price in india, it is popular with makers and IoT engineers in Bangalore and across India for remote telemetry and connected projects. Ships from our Bengaluru warehouse with GST invoice.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDoes this work with Raspberry Pi 4 and Pi 5?\u003c\/strong\u003e\u003cbr\u003eYes, it uses the standard 40-pin header and USB, compatible with Raspberry Pi 3\/4\/5 and similar SBCs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need a SIM card?\u003c\/strong\u003e\u003cbr\u003eYes, a standard Nano\/Micro SIM with an active 4G data plan is required.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk pricing?\u003c\/summary\u003e\u003cp\u003eYes — message us on WhatsApp for bulk or business pricing on Waveshare SIM7600G-H Based 4G \/ 3G \/ 2G \/ GSM \/ GPRS \/ GNSS HAT for Raspberry Pi, LTE CAT4 ***Global Version***.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your Waveshare SIM7600G-H Based 4G \/ 3G \/ 2G \/ GSM \/ GPRS \/ GNSS HAT for Raspberry Pi, LTE CAT4 ***Global Version*** today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy Waveshare SIM7600G-H Based 4G \/ 3G \/ 2G \/ GSM \/ GPRS \/ GNSS HAT for Raspberry Pi, LTE CAT4 ***Global Version*** Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/raspberry-pi\"\u003eRaspberry Pi \u0026amp; SBC\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48741312954625,"sku":"TTD-3943","price":9300.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/6406fbca242c6a921042093e5f804444.jpg?v=1778023446"},{"product_id":"sim7020e-based-nb-iot-hat-for-raspberry-pi","title":"SIM7020E based NB-IoT HAT for Raspberry Pi","description":"\u003cp\u003eThe SIM7020E based NB-IoT HAT for Raspberry Pi is a Raspberry Pi product available online in India from Tech Depot India, with a GST invoice on every order.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eModule\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSIMCom SIM7020E (NB-IoT)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eControl\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eSerial AT commands\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eProtocols\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eLWM2M, CoAP, MQTT, TCP, UDP, HTTP, HTTPS\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eOnboard USB for power\/debug + breakout UART pins\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eRaspberry Pi, compatible with any revision\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e \u003ctd\u003eImported\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003eModule:\u003c\/strong\u003e SIMCom SIM7020E (NB-IoT)\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eControl:\u003c\/strong\u003e Serial AT commands\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eProtocols:\u003c\/strong\u003e LWM2M, CoAP, MQTT, TCP, UDP, HTTP, HTTPS\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eInterface:\u003c\/strong\u003e Onboard USB for power\/debug + breakout UART pins\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Raspberry Pi, compatible with any revision\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Imported\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose SIM7020E based NB-IoT HAT for Raspberry Pi?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of SIM7020E based NB-IoT HAT for Raspberry Pi\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eLow delay, low power, low cost and wide coverage NB-IoT connectivity\u003c\/li\u003e \u003cli\u003eSupports LWM2M\/CoAP\/MQTT\/TCP\/UDP\/HTTP\/HTTPS protocols\u003c\/li\u003e \u003cli\u003eOnboard USB for power supply or debugging; breakout UART control pins\u003c\/li\u003e \u003cli\u003eCompatible with any revision of Raspberry Pi\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eSmart metering and intelligent instruments\u003c\/li\u003e \u003cli\u003eAsset tracking and remote monitoring\u003c\/li\u003e \u003cli\u003eLow-power sensor networks\u003c\/li\u003e \u003cli\u003eRapid prototyping on top of an existing Arduino or Raspberry Pi board without extra breadboard wiring\u003c\/li\u003e\n\u003cli\u003eAdding a specific capability (motor control, extra proto space, connectivity) to a maker project\u003c\/li\u003e\n\u003cli\u003eClassroom and workshop demonstrations of shield\/HAT-based expansion\u003c\/li\u003e\n\u003cli\u003eWi-Fi\/IoT connected projects that need remote monitoring or control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSIM7020E NB-IoT HAT for Raspberry Pi\u003c\/h2\u003e\u003cp\u003eThe SIM7020E NB-IoT HAT adds low-power NarrowBand-IoT connectivity to the Raspberry Pi, controlled over simple serial AT commands. The SIM7020E NB-IoT HAT price in India stays competitive here, and it is popular with makers and IoT engineers in Bangalore and across India building smart meters, asset trackers and remote-monitoring devices. Ships from our Bengaluru warehouse with a GST invoice.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHow is the SIM7020E HAT controlled?\u003c\/strong\u003e\u003cbr\u003eIt is controlled via serial AT commands and connects through the Raspberry Pi UART, with an onboard USB for power and debugging.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich IoT protocols are supported?\u003c\/strong\u003e\u003cbr\u003eIt supports LWM2M, CoAP, MQTT, TCP, UDP, HTTP and HTTPS.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk pricing?\u003c\/summary\u003e\u003cp\u003eYes — message us on WhatsApp for bulk or business pricing on SIM7020E based NB-IoT HAT for Raspberry Pi.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your SIM7020E based NB-IoT HAT for Raspberry Pi today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy SIM7020E based NB-IoT HAT for Raspberry Pi Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/raspberry-pi\"\u003eRaspberry Pi \u0026amp; SBC\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48741323800833,"sku":"TTD-4050","price":2010.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/f8ceef98c45ea9bcfb475a22f30969c7.jpg?v=1778023600"},{"product_id":"a7600e-lte-cat-1-hat-for-raspberry-pi-low-speed-4g-module-2g-gsm-gprs","title":"A7600E LTE Cat-1 HAT for Raspberry Pi, Low Speed 4G Module, 2G GSM \/ GPRS","description":"\u003cp\u003eThis is a LTE Cat-1\/2G HAT for Raspberry Pi, Based on A7600X.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e \u003cli\u003eStandard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano.\u003cbr\u003e \u003c\/li\u003e \u003cli\u003eSupports protocols including TCP\/IP, HTTP(s), MQTT(s), FTP(s), and SSL.\u003c\/li\u003e \u003cli\u003eSupports dial-up, telephone call, SMS.\u003c\/li\u003e \u003cli\u003eSupports LBS base station positioning, it is able to get the approximate position info via mobile network.\u003c\/li\u003e \u003cli\u003eTTS (Text To Speech) feature, texts in Chinese\/English can be converted into spoken words.\u003c\/li\u003e \u003cli\u003eOnboard USB interface, for testing AT Commands, network communication, and so on.\u003c\/li\u003e \u003cli\u003eOnboard audio jack for sound recording, making telephone call, listening the TTS resulting speech, etc.\u003c\/li\u003e \u003cli\u003eOnboard USB to UART converter, for serial debugging, or accessing the Raspberry Pi.\u003c\/li\u003e \u003cli\u003eBreakout common used control pins of the A7600X module, make it easy to connect with hosts boards like Arduino\/STM32\u003c\/li\u003e \u003cli\u003eSIM card slot, supports 1.8V\/3V SIM card.\u003c\/li\u003e \u003cli\u003eTF card slot for storing data like files, audio data, etc.\u003c\/li\u003e \u003cli\u003e2x LED indicators, easy to monitor the operating status.\u003c\/li\u003e \u003cli\u003eOnboard voltage translator, operating voltage can be configured to 3.3V or 5V via 0Ohm resistor jumper.\u003c\/li\u003e \u003cli\u003eBaudrate: 300bps ~ 4Mbps (default: 115200bps).\u003c\/li\u003e \u003cli\u003eComes with development resources and manual (examples for Raspberry Pi\/Jetson Nano\/Arduino\/STM32).\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003eShop online at \u003ca href=\"https:\/\/techdepot.in\"\u003eTech Depot India\u003c\/a\u003e - India's trusted electronics components store. Fast delivery across Bengaluru, Delhi, Hyderabad.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eModule\u003c\/td\u003e \u003ctd\u003eSIMCom A7600E\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCellular\u003c\/td\u003e \u003ctd\u003eLTE Cat 1 (4G) with 2G GSM\/GPRS fallback\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eForm Factor\u003c\/td\u003e \u003ctd\u003eRaspberry Pi HAT (GPIO header mount)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSIM\u003c\/td\u003e \u003ctd\u003eStandard SIM card slot\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhy Choose A7600E LTE Cat-1 HAT for Raspberry Pi, Low Speed 4G Module, 2G GSM \/ GPRS?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of A7600E LTE Cat-1 HAT for Raspberry Pi, Low Speed 4G Module, 2G GSM \/ GPRS\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eLTE Cat 1 speeds are enough for telemetry, SMS and low-bandwidth data without needing Cat-4\/5G\u003c\/li\u003e \u003cli\u003eAutomatic fallback to 2G GSM\/GPRS in weak-coverage areas\u003c\/li\u003e \u003cli\u003eMounts directly on the Raspberry Pi 40-pin GPIO header\u003c\/li\u003e \u003cli\u003eSupports AT-command based control from Python or C over UART\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eRemote IoT devices needing cellular connectivity outside Wi-Fi range\u003c\/li\u003e \u003cli\u003eGPS\/GSM asset trackers built on Raspberry Pi\u003c\/li\u003e \u003cli\u003eSMS-based alerting and remote monitoring systems\u003c\/li\u003e \u003cli\u003eRural or field-deployed sensor stations\u003c\/li\u003e \u003cli\u003eSingle-board computing projects\u003c\/li\u003e\n\u003cli\u003eHome automation\u003c\/li\u003e\n\u003cli\u003eIot gateways\u003c\/li\u003e\n\u003cli\u003eMedia centers and robotics\u003c\/li\u003e\n\u003cli\u003eStudent and hobbyist projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eIs technical support available?\u003c\/summary\u003e \u003cp\u003eYes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your A7600E LTE Cat-1 HAT for Raspberry Pi, Low Speed 4G Module, 2G GSM \/ GPRS today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy A7600E LTE Cat-1 HAT for Raspberry Pi, Low Speed 4G Module, 2G GSM \/ GPRS Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/raspberry-pi\"\u003eRaspberry Pi \u0026amp; SBC\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48741325472001,"sku":"TTD-4070","price":3670.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/05ed120fbe366d069a71052dde4a7bd0.jpg?v=1778023625"},{"product_id":"wio-tracker-gps-bt3-0-gsm-arduino-compatible","title":"Wio Tracker - GPS, BT3.0, GSM, Arduino Compatible","description":"\u003cp\u003eThe Wio Tracker is an all-in-one IoT development board combining GPS positioning, Bluetooth 3.0 wireless connectivity, and GSM cellular communication in a compact Arduino-compatible form factor. IoT developers, embedded systems engineers, and roboticists use this device to rapidly prototype location-aware applications, asset tracking systems, and remote monitoring solutions without extensive hardware integration. This tracker solves the critical challenge of integrating multiple wireless protocols and GNSS positioning into a single development platform, eliminating the complexity of managing separate modules and reducing time-to-market for connected device projects.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eSpecification\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProduct Type\u003c\/td\u003e \u003ctd\u003eArduino-Compatible IoT Tracker with GPS, Bluetooth, and GSM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBrand\u003c\/td\u003e \u003ctd\u003eSeeed Studio\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMicrocontroller\u003c\/td\u003e \u003ctd\u003eARM Cortex-M0+ at 48MHz with 256KB Flash, 32KB SRAM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGPS Module\u003c\/td\u003e \u003ctd\u003eu-blox NEO-6M with 2.5m accuracy, 1Hz update rate\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBluetooth Version\u003c\/td\u003e \u003ctd\u003eBluetooth 3.0 with 100m range in open space\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGSM Bands\u003c\/td\u003e \u003ctd\u003e850\/900\/1800\/1900 MHz quad-band cellular\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBattery\u003c\/td\u003e \u003ctd\u003e3.7V 1000mAh Li-Po with onboard charging circuit\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Temperature\u003c\/td\u003e \u003ctd\u003e-10 to +60 degrees Celsius\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDimensions\u003c\/td\u003e \u003ctd\u003e54 x 48 x 20mm compact form factor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eConnectivity\u003c\/td\u003e \u003ctd\u003eMicro USB for programming and power, Grove I2C\/UART connectors\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003eProduct Type:\u003c\/strong\u003e Arduino-Compatible IoT Tracker with GPS, Bluetooth, and GSM\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eBrand:\u003c\/strong\u003e Seeed Studio\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eOrigin:\u003c\/strong\u003e Original\/Authentic\u003c\/li\u003e\n\n\u003cli\u003e \u003cstrong\u003eSupport:\u003c\/strong\u003e reliable via Email and WhatsApp\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eMicrocontroller:\u003c\/strong\u003e ARM Cortex-M0+ at 48MHz with 256KB Flash, 32KB SRAM\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eGPS Module:\u003c\/strong\u003e u-blox NEO-6M with 2.5m accuracy, 1Hz update rate\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eBluetooth Version:\u003c\/strong\u003e Bluetooth 3.0 with 100m range in open space\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eGSM Bands:\u003c\/strong\u003e 850\/900\/1800\/1900 MHz quad-band cellular\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eBattery:\u003c\/strong\u003e 3.7V 1000mAh Li-Po with onboard charging circuit\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -10 to +60 degrees Celsius\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eDimensions:\u003c\/strong\u003e 54 x 48 x 20mm compact form factor\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eConnectivity:\u003c\/strong\u003e Micro USB for programming and power, Grove I2C\/UART connectors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose Wio Tracker - GPS, BT3.0, GSM, Arduino Compatible?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of Wio Tracker - GPS, BT3.0, GSM, Arduino Compatible\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eDual GPS and GSM positioning provides redundant location determination with GPS offering high accuracy while GSM enables indoor triangulation fallback capability\u003c\/li\u003e \u003cli\u003eSimultaneous multi-protocol operation allows concurrent Bluetooth advertisement to mobile apps while maintaining GSM data connectivity and GPS satellite acquisition\u003c\/li\u003e \u003cli\u003eArduino IDE native compatibility eliminates firmware development barriers, enabling direct use of 20,000+ existing Arduino libraries without code adaptation\u003c\/li\u003e \u003cli\u003eIntegrated lithium battery management with 8-12 hour operational autonomy supports field deployment for asset tracking, wildlife monitoring, and mobile IoT applications\u003c\/li\u003e \u003cli\u003eGrove connector ecosystem enables plug-and-play sensor integration for temperature, humidity, acceleration, and environmental monitoring without breadboarding\u003c\/li\u003e \u003cli\u003eLow-power sleep modes reduce battery consumption to 2mA in idle state, extending deployment duration for battery-constrained remote applications\u003c\/li\u003e \u003cli\u003ePayment Options: UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eVehicle and asset tracking systems where GPS provides real-time location mapping while GSM enables cloud data synchronization and Bluetooth allows local smartphone integration for field verification\u003c\/li\u003e \u003cli\u003eWildlife and environmental monitoring in remote locations, utilizing GPS for movement tracking, GSM for periodic data upload to research servers, and Bluetooth for local sensor network coordination\u003c\/li\u003e \u003cli\u003ePersonal safety and elderly care wearables that combine GPS positioning for emergency responders, Bluetooth for smartphone pairing, and GSM for SOS alert transmission independent of WiFi availability\u003c\/li\u003e \u003cli\u003eAutonomous drone and robot navigation systems leveraging GPS for waypoint guidance, Bluetooth for real-time telemetry streaming to ground control stations, and GSM for long-range emergency communication\u003c\/li\u003e \u003cli\u003eSmart logistics and supply chain management implementing GPS tracking at distribution checkpoints, GSM for automated status notifications to stakeholders, and Bluetooth for warehouse proximity-based inventory updates\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003cp\u003eBegin by installing the Wio Tracker board definition in Arduino IDE through the Boards Manager by adding the Seeed Studio repository URL. Connect the device via Micro USB to your development computer for programming and charging simultaneously. The bootloader automatically enters programming mode on connection, eliminating the need for manual reset button sequences. Load the provided GPS, Bluetooth, and GSM example sketches from the Seeed Studio GitHub repository, which demonstrate initialization of each wireless module, data parsing from NMEA GPS sentences, Bluetooth GAP advertisement configuration, and GSM AT command sequences for cellular connectivity.\u003c\/p\u003e\u003cp\u003eFor production deployment, configure the device with your specific GSM carrier credentials by programming the SIM card's PIN and APN settings into EEPROM. Implement power management strategies by utilizing the sleep() function between GPS fix acquisitions, reducing battery drain from 150mA active consumption to 2mA standby mode. Use the onboard LED indicators to debug wireless module status during field testing, with distinct blink patterns indicating GPS lock, Bluetooth pairing, and GSM registration states. For applications requiring persistent cloud connectivity, implement a hybrid strategy where the device maintains GSM connection for periodic data uploads while using Bluetooth for responsive local interactions with nearby smartphones or IoT gateways.\u003c\/p\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Wio Tracker operates on the principle of multi-protocol wireless integration, combining three distinct communication standards on a unified microcontroller platform. At its core, it features a powerful ARM Cortex-M0+ processor running at 48MHz with 256KB flash memory and 32KB SRAM, providing sufficient computational resources for real-time GPS data processing and wireless protocol management. The integrated u-blox GPS module delivers position accuracy within 2.5 meters under open sky conditions with a 1Hz update rate, while the Bluetooth 3.0 stack enables short-range peer-to-peer communication with mobile devices and nearby IoT nodes. The GSM modem provides cellular connectivity for long-range data transmission, SMS communication, and voice capabilities, making this device suitable for applications requiring both local and wide-area network connectivity simultaneously.\u003c\/p\u003e\u003cp\u003eWhat distinguishes the Wio Tracker from competing solutions is its seamless Arduino IDE compatibility, allowing developers to leverage existing Arduino libraries and programming paradigms without learning proprietary development environments. The board includes onboard lithium battery charging circuitry with power management, enabling portable deployment for 8-12 hours on a single charge depending on active module usage. The modular design incorporates Grove connectors for rapid sensor integration, allowing developers to expand functionality with temperature sensors, accelerometers, or environmental monitors without soldering. The firmware supports simultaneous operation of all three wireless modules, enabling hybrid connectivity strategies where GPS provides primary positioning while GSM serves as backup communication and Bluetooth handles local device synchronization.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eCan the Wio Tracker operate all three wireless modules simultaneously without conflicts?\u003c\/summary\u003e \u003cp\u003eYes, the Wio Tracker firmware architecture supports concurrent operation of GPS, Bluetooth, and GSM modules with intelligent power and bandwidth management. The microcontroller's interrupt-driven design allows each module to operate independently on separate hardware interfaces. However, simultaneous high-bandwidth operations like Bluetooth file transfer and GSM data upload may cause temporary GPS acquisition delays. For optimal performance, implement time-multiplexed operation where GSM uploads occur during GPS satellite reacquisition periods, and Bluetooth handles only low-latency telemetry rather than bulk data transfer.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eWhat is the GPS accuracy and how long does it take to acquire the first satellite fix?\u003c\/summary\u003e \u003cp\u003eThe u-blox NEO-6M GPS module provides 2.5-meter horizontal accuracy under clear sky conditions with open view of the horizon. Cold start acquisition, where the module has no prior ephemeris data, typically requires 30-45 seconds to lock onto sufficient satellites for position calculation. Warm start, where recent satellite data is cached in memory, achieves lock within 5-10 seconds. Hot start with valid ephemeris and almanac data completes in under 2 seconds. For faster initial positioning in urban environments, implement assisted GPS by downloading current satellite ephemeris from online sources before field deployment.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eHow do I extend battery life for extended field deployments beyond 12 hours?\u003c\/summary\u003e \u003cp\u003eImplement aggressive power management by disabling unused wireless modules during inactive periods. GPS acquisition consumes 150mA and should be limited to periodic fixes every 5-10 minutes rather than continuous operation. GSM standby mode draws only 8mA while maintaining network registration, suitable for applications requiring rapid alert response. Bluetooth can be disabled entirely when not communicating with mobile devices, reducing power draw to near-zero. By scheduling GPS fixes every 10 minutes, maintaining GSM standby, and disabling Bluetooth except during active synchronization windows, deployments can extend to 48+ hours on a single charge. Consider external solar panels or larger capacity batteries for permanent installations.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your Wio Tracker - GPS, BT3.0, GSM, Arduino Compatible today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy Wio Tracker - GPS, BT3.0, GSM, Arduino Compatible Online in India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48743863517441,"sku":"TES-EV02297","price":2870.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/wio_gps-228x228.jpg?v=1778063945"},{"product_id":"waveshare-industrial-4g-dtu-rs485-to-lte-cat4-din-rail-mount","title":"Waveshare Industrial 4G DTU, RS485 TO LTE CAT4, DIN Rail-Mount","description":"\u003cp\u003eWaveshare Industrial 4G DTU, RS485 TO LTE CAT4, DIN Rail-Mount\u003c\/p\u003e\u003ch2\u003eWhy Choose Waveshare Industrial 4G DTU, RS485 TO LTE CAT4, DIN Rail-Mount?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk pricing?\u003c\/summary\u003e\u003cp\u003eYes — message us on WhatsApp for bulk or business pricing on Waveshare Industrial 4G DTU, RS485 TO LTE CAT4, DIN Rail-Mount.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your Waveshare Industrial 4G DTU, RS485 TO LTE CAT4, DIN Rail-Mount today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy Waveshare Industrial 4G DTU, RS485 TO LTE CAT4, DIN Rail-Mount Online in India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48744393376001,"sku":"TTD-11090","price":7710.99,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/722b87fb9a31440c3dc69d576021c334.jpg?v=1778073227"},{"product_id":"unwelded-sim800c-gsm-gprs-module-5v-3-3v-ttl-development-board-ipex-with-bluetooth-for-stm32-c51","title":"Unwelded SIM800C GSM GPRS Module 5V\/3.3V TTL Development Board IPEX with Bluetooth for STM32 C51","description":"\u003cp\u003eUnwelded SIM800C GSM GPRS Module 5V\/3.3V TTL Development Board IPEX with Bluetooth for STM32 C51\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eChipset\u003c\/td\u003e \u003ctd\u003eSIMCom SIM800C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eConnectivity\u003c\/td\u003e \u003ctd\u003eGSM\/GPRS + Bluetooth\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eLogic Levels\u003c\/td\u003e \u003ctd\u003e5V \/ 3.3V TTL\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAntenna Connector\u003c\/td\u003e \u003ctd\u003eIPEX\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCompatibility\u003c\/td\u003e \u003ctd\u003eSTM32 \/ 8051 (C51) and similar microcontrollers\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose Unwelded SIM800C GSM GPRS Module 5V\/3.3V TTL Development Board IPEX with Bluetooth for STM32 C51?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of Unwelded SIM800C GSM GPRS Module 5V\/3.3V TTL Development Board IPEX with Bluetooth for STM32 C51\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eSIM800C provides quad-band GSM\/GPRS cellular connectivity alongside Bluetooth on a single chip\u003c\/li\u003e \u003cli\u003eDual 5V\/3.3V TTL logic support means it can interface directly with both classic 5V MCUs and 3.3V boards like STM32\u003c\/li\u003e \u003cli\u003eIPEX antenna connector allows attaching an external GSM antenna for better signal in enclosed projects\u003c\/li\u003e \u003cli\u003eSupplied unwelded (unsoldered), so headers can be positioned to suit the final project layout\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eSMS\/call-based remote monitoring and alert systems\u003c\/li\u003e \u003cli\u003eGPRS data connectivity for STM32 or 8051-based IoT projects\u003c\/li\u003e \u003cli\u003eRemote sensor reporting where Wi-Fi isn't available\u003c\/li\u003e \u003cli\u003eDIY GSM-based security and notification systems\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eDo you provide a GST invoice?\u003c\/summary\u003e\u003cp\u003eYes, a GST invoice is available on every order.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk \/ wholesale pricing?\u003c\/summary\u003e\u003cp\u003eYes — for bulk enquiries, WhatsApp us at +91 78285 34155.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your Unwelded SIM800C GSM GPRS Module 5V\/3.3V TTL Development Board IPEX with Bluetooth for STM32 C51 today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy Unwelded SIM800C GSM GPRS Module 5V\/3.3V TTL Development Board IPEX with Bluetooth for STM32 C51 Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/microcontrollers\"\u003eMicrocontrollers\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48744393474305,"sku":"TTD-11092","price":368.88,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/2d02cf749486dd81c7297796741d14ab.jpg?v=1778073230"},{"product_id":"waveshare-gsm-gprs-gnss-bluetooth-hat-for-raspberry-pi","title":"Waveshare GSM\/GPRS\/GNSS\/Bluetooth HAT for Raspberry Pi","description":"\u003cp\u003eThe Waveshare GSM\/GPRS\/GNSS\/Bluetooth HAT for Raspberry Pi is a Raspberry Pi product available online in India from Tech Depot India, with a GST invoice on every order.\u003c\/p\u003e\u003cp\u003eWaveshare GSM\/GPRS\/GNSS\/Bluetooth HAT for Raspberry Pi\u003c\/p\u003e\u003cp\u003eThis is a Waveshare GSM\/GPRS\/GNSS\/Bluetooth HAT for Raspberry Pi.\u003c\/p\u003e\u003cp\u003eThis is a handy, low power Raspberry Pi HAT that features multi communication functionalities: GSM, GPRS, GNSS, and Bluetooth. It allows your Pi to easily make a telephone call, send messages, connect to wireless Internet, global position, transfer data via Bluetooth, and so on.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: Raspberry Pi Shown in Image Is Not Included With Product You Have to Purchase it Separately.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBand \u003cul\u003e \u003cli\u003eGSM 850\/EGSM 900\/DCS 1800\/PCS 1900 MHz\u003c\/li\u003e \u003cli\u003eQuad-band auto search\u003c\/li\u003e \u003cli\u003eCompliant to GSM phase 2\/2+\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e\n\u003cli\u003eEmitting power \u003cul\u003e \u003cli\u003eClass 4 (2W @ GSM 850\/EGSM 900 MHz)\u003c\/li\u003e \u003cli\u003eClass 1 (1W @ DCS 1800\/PCS 1900 MHz)\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e\n\u003cli\u003eGPRS connectivity \u003cul\u003e \u003cli\u003eGPRS multi-slot class 12 (default)\u003c\/li\u003e \u003cli\u003eGPRS multi-slot class 1~12 (configurable)\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e\n\u003cli\u003eGPRS data feature \u003cul\u003e \u003cli\u003eDownlink speed: max 85.6kbps\u003c\/li\u003e \u003cli\u003eUplink speed: max 85.6kbps\u003c\/li\u003e \u003cli\u003eCoding schemes: CS-1CS-2CS-3CS-4\u003c\/li\u003e \u003cli\u003eSupports PAP (Password Authentication Protocol) for PPP connection\u003c\/li\u003e \u003cli\u003eSupports PBCCH\u003c\/li\u003e \u003cli\u003eSupports USSD\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e\n\u003cli\u003eSMS \u003cul\u003e \u003cli\u003eSupports: MT\/MO\/CB\/Text\/PDU mode\u003c\/li\u003e \u003cli\u003eSMS storage: SIM card\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e\n\u003cli\u003eAudio \u003cul\u003e \u003cli\u003eVoice encode\/decode mode: Half RateFull RateEnhanced Full RateAdaptive muti rate\u003c\/li\u003e \u003cli\u003eSupports echo cancellation\u003c\/li\u003e \u003cli\u003eSupports noise reduction\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e\n\u003cli\u003eReceiver type \u003cul\u003e \u003cli\u003e33 tracking channels\u003c\/li\u003e \u003cli\u003e99 acquisition channels\u003c\/li\u003e \u003cli\u003eGPSL1C\/A code\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e\n\u003cli\u003eSensitivity \u003cul\u003e \u003cli\u003eTracking: -165dBm\u003c\/li\u003e \u003cli\u003eCold starts : -148dBm\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e\n\u003cli\u003eTime-To-First-Fix \u003cul\u003e \u003cli\u003eCold starts: 28s (Typ.)\u003c\/li\u003e \u003cli\u003eHot starts : \u0026lt; 1s\u003c\/li\u003e \u003cli\u003eWarm starts: 26s\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e\n\u003cli\u003eAccuracy \u003cul\u003e \u003cli\u003eHorizontal position : \u0026lt;2.5m CEP\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e\n\u003cli\u003eIntegrates AT commands\u003c\/li\u003e\n\u003cli\u003eCompliant to Bluetooth specification3.0 + EDR\u003c\/li\u003e\n\u003cli\u003eSupports SPP, OPP, HFP\/HSP, etc.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eSIM card slot for 1.8V\/3V SIM card\u003c\/li\u003e\u003c\/ul\u003e\u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eConnectivity\u003c\/td\u003e \u003ctd\u003eGSM\/GPRS cellular\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePositioning\u003c\/td\u003e \u003ctd\u003eIntegrated GNSS\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eShort-range\u003c\/td\u003e \u003ctd\u003eBluetooth\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eForm Factor\u003c\/td\u003e \u003ctd\u003eRaspberry Pi HAT (GPIO-mounted)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose Waveshare GSM\/GPRS\/GNSS\/Bluetooth HAT for Raspberry Pi?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of Waveshare GSM\/GPRS\/GNSS\/Bluetooth HAT for Raspberry Pi\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards\u003c\/li\u003e\n\u003cli\u003eSupports SMS, phone call, GPRS, DTMF, HTTP, FTP, MMS, email, etc.\u003c\/li\u003e\n\u003cli\u003eSupport GPS, COMPASS, Glonass, LBS base station positioning, Omni-positioning\u003c\/li\u003e\n\u003cli\u003eBluetooth 3.0, supports data transferring through Bluetooth\u003c\/li\u003e\n\u003cli\u003eOnboard USB TO UART Converter CP2102 for UART debugging\u003c\/li\u003e\n\u003cli\u003eCombines cellular connectivity, satellite positioning and Bluetooth on a single HAT that mounts directly on the Pi's GPIO header\u003c\/li\u003e\n\u003cli\u003eGNSS positioning support enables location-aware applications without a separate GPS module\u003c\/li\u003e\n\u003cli\u003eGSM\/GPRS connectivity gives the Pi cellular data and SMS capability in areas without Wi-Fi\u003c\/li\u003e\n\u003cli\u003eHAT form factor keeps wiring tidy compared to breadboarding separate cellular and GPS modules\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eBand GSM 850\/EGSM 900\/DCS 1800\/PCS 1900 MHz\u003c\/li\u003e \u003cli\u003eQuad-band auto search\u003c\/li\u003e \u003cli\u003eCompliant to GSM phase 2\/2+\u003c\/li\u003e \u003cli\u003eCellular-connected Raspberry Pi IoT projects\u003c\/li\u003e\n\u003cli\u003eGPS\/location tracking devices built on Raspberry Pi\u003c\/li\u003e\n\u003cli\u003eRemote monitoring where Wi-Fi coverage isn't available\u003c\/li\u003e\n\u003cli\u003eCombined connectivity + positioning projects (fleet tracking, remote sensors)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003e1 x GSM\/GPRS\/GNSS HAT\u003c\/p\u003e\u003cp\u003e1 x GSM Antenna\u003c\/p\u003e\u003cp\u003e1 x GPS External Antenna (B)\u003c\/p\u003e\u003cp\u003e1 x Bluetooth Antenna\u003c\/p\u003e\u003cp\u003e1 x USB type A plug to micro plug cable\u003c\/p\u003e\u003cp\u003e1 x RPi screws pack (2pcs)\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGeneral:\u003c\/strong\u003e\u003c\/h3\u003e\u003col\u003e \u003cli\u003eStandard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards\u003c\/li\u003e \u003cli\u003eSupports SMS, phone call, GPRS, DTMF, HTTP, FTP, MMS, email, etc.\u003c\/li\u003e \u003cli\u003eSupport GPS, COMPASS, Glonass, LBS base station positioning, Omni-positioning\u003c\/li\u003e \u003cli\u003eBluetooth 3.0, supports data transferring through Bluetooth\u003c\/li\u003e \u003cli\u003eOnboard USB TO UART Converter CP2102 for UART debugging\u003c\/li\u003e \u003cli\u003e6x LEDs for indicating the module working status\u003c\/li\u003e \u003cli\u003eSIM card slot for 1.8V\/3V SIM card\u003c\/li\u003e \u003cli\u003eRTC with backup battery holder\u003c\/li\u003e \u003cli\u003eBaudrate auto-detection (1200bps ~115200bps)\u003c\/li\u003e \u003cli\u003eControl via AT commands (3GPP TS 27.007, 27.005, and SIMCOM enhanced AT Commands)\u003c\/li\u003e \u003cli\u003eSupports SIM application toolkit: GSM 11.14 Release 99\u003c\/li\u003e \u003c\/ol\u003e\u003ch2\u003eUseful link\u003c\/h2\u003e\u003cp\u003eTo do Software setup, please follow this\u003cstrong\u003etutorial.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eIs technical support available?\u003c\/summary\u003e \u003cp\u003eYes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your Waveshare GSM\/GPRS\/GNSS\/Bluetooth HAT for Raspberry Pi today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy Waveshare GSM\/GPRS\/GNSS\/Bluetooth HAT for Raspberry Pi Online in India at Tech Depot India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48744393867521,"sku":"TTD-11103","price":3320.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/d802ede9cf194fa4815b0cf0b0d2623a.png?v=1778073245"},{"product_id":"sim7600ei-4g-lte-high-speed-modem-gps-gnss-iot-board-raspberry-pi-compatible","title":"SIM7600EI 4G LTE High-Speed Modem GPS\/GNSS IoT board Raspberry Pi Compatible","description":"\u003cp\u003eThe SIM7600EI 4G LTE High-Speed Modem GPS\/GNSS IoT board Raspberry Pi Compatible is a Raspberry Pi product available online in India from Tech Depot India, with a GST invoice on every order.\u003c\/p\u003e\u003cp\u003eSIM7600EI 4G LTE High-Speed Modem GPS\/GNSS IoT board Raspberry Pi Compatible.\u003c\/p\u003e\u003cp\u003eSIM7600EI is a complete multi-band LTE-FDD\/LTE-TDD\/HSPA+\/UMTS\/EDGE\/GPRS\/GSM module solution in LCC type which supports LTE CAT1 up to 10Mbps for downlink and 5Mbps for uplink data transfer. Designed in the compact and unified form factor, SIM7600EI is compatible with SIMCom HSPA+ SIM5360 module\/LTE CAT3 SIM7100 and LTE CAT4 SIM7600E-H module, which allows the customer to design their application once for different technology and benefit from great development time-saving\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eChipset\u003c\/td\u003e \u003ctd\u003eSIMCom SIM7600 series\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCellular\u003c\/td\u003e \u003ctd\u003e4G LTE (Cat.4-class modem)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePositioning\u003c\/td\u003e \u003ctd\u003eIntegrated GPS\/GNSS\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCompatibility\u003c\/td\u003e \u003ctd\u003eRaspberry Pi\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose SIM7600EI 4G LTE High-Speed Modem GPS\/GNSS IoT board Raspberry Pi Compatible?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of SIM7600EI 4G LTE High-Speed Modem GPS\/GNSS IoT board Raspberry Pi Compatible\u003c\/h2\u003e\u003col\u003e \u003cli\u003eLTE-TDD B40\/B41\u003c\/li\u003e \u003cli\u003eLTE-FDDB1\/B3\/B5\/B8\u003c\/li\u003e \u003cli\u003eUMTS\/HSPA+ B1\/B8\u003c\/li\u003e \u003cli\u003eGSM\/GPRS\/EDGEB3\/B8\u003c\/li\u003e \u003cli\u003eLCC Package\u003c\/li\u003e \u003cli\u003eControl Via AT Commands\u003c\/li\u003e \u003cli\u003e3GPP E-UTRA Release 11\u003c\/li\u003e \u003cli\u003eUSB Driver for Microsoft Windows 2000\/XP\/Vista\/Win7\/Win\/Win10\u003c\/li\u003e \u003cli\u003eUSB Driver for Linux \/Android\u003c\/li\u003e \u003cli\u003eRIL supporting for Android 2.4\/4.0\/5.0\/6.0\/7.0\u003c\/li\u003e \u003cli\u003eMBIM to Win8\u003c\/li\u003e \u003cli\u003eFirmware update via USB\u003c\/li\u003e \u003cli\u003eTCP\/IP\/IPV4\/IPV6\/Multi-PDP\/FTP\/FTPS \/HTTP\/HTTPS\/DNS\u003c\/li\u003e \u003cli\u003eSSL3.0\/TLS1.0\/TLS1.2\u003c\/li\u003e \u003cli\u003eDTMF (Sending and Receiving)\u003c\/li\u003e \u003cli\u003eAudio Playing\u003c\/li\u003e \u003cli\u003eUSB Audio and VoLTE\u003c\/li\u003e \u003cli\u003eFOTA\u003c\/li\u003e \u003cli\u003eSIM7600 series is a well-established high-speed 4G LTE modem family with mature Linux\/Raspberry Pi driver support\u003c\/li\u003e\n\u003cli\u003eIntegrated GNSS means location data comes from the same board as the cellular connection — no separate GPS module needed\u003c\/li\u003e\n\u003cli\u003eHigh-speed LTE data suits applications that need more bandwidth than GPRS\/2G modules can offer\u003c\/li\u003e\n\u003cli\u003eDesigned to work as a Raspberry Pi add-on board, simplifying wiring versus a bare cellular module\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eWi-Fi\/IoT connected projects that need remote monitoring or control\u003c\/li\u003e \u003cli\u003eCloud-connected dashboards (Blynk, ThingSpeak, MQTT-based) for makers\u003c\/li\u003e \u003cli\u003eLow-power wide-area or connected sensor-network builds\u003c\/li\u003e \u003cli\u003eGeneral-purpose embedded-systems prototyping for makers and engineering students\u003c\/li\u003e \u003cli\u003e4G-connected Raspberry Pi IoT and telemetry projects\u003c\/li\u003e\n\u003cli\u003eVehicle and asset tracking with combined LTE + GPS\u003c\/li\u003e\n\u003cli\u003eRemote data logging in areas without Wi-Fi\u003c\/li\u003e\n\u003cli\u003eHigh-bandwidth cellular applications (image\/video upload from the field)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003e1 x SIM7600EI 4G LTE High-Speed Modem GPS\/GNSS IoT board Raspberry Pi Compatible\u003c\/p\u003e\u003ch3\u003ePin connection :\u003c\/h3\u003e\u003ch3\u003ePin Diagram of SIM7600EI:\u003c\/h3\u003e\u003cp\u003eThis SIM7600EI 4G LTE High-Speed Modem GPS\/GNSS IoT board has strong extension capability with rich interfaces including UART, USB2.0, SPI, I2C, Keypad, PCM, etc. With abundant application capabilities like TCP\/UDP\/FTP\/FTPS\/HTTP\/HTTPS\/SMTP\/POP3 and MMS, the module provides much flexibility and ease of integration for the customer's application.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eInstallation Steps:\u003c\/strong\u003e\u003c\/h3\u003e\u003col\u003e \u003cli\u003eUnzip driver file (Given in an Attachment)\u003c\/li\u003e \u003cli\u003eOpen Mange from My computer\u003c\/li\u003e \u003cli\u003eOpen device manager\u003c\/li\u003e \u003cli\u003eRight-click on LPT \u0026amp;COM Port\u003c\/li\u003e \u003cli\u003eClick on port \u0026amp; open properties\u003c\/li\u003e \u003cli\u003eInstall driver \u0026amp; provide a path of unzipping the file. (select drivers as per your system OS: Windows 7, Windows 8, etc)\u003c\/li\u003e \u003c\/ol\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eIs technical support available?\u003c\/summary\u003e \u003cp\u003eYes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your SIM7600EI 4G LTE High-Speed Modem GPS\/GNSS IoT board Raspberry Pi Compatible today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy SIM7600EI 4G LTE High-Speed Modem GPS\/GNSS IoT board Raspberry Pi Compatible Online in India at Tech Depot India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48744393933057,"sku":"TTD-11105","price":6200.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/b03c5b58c3aecdff09bcc66e20d05b92.png?v=1778073248"},{"product_id":"smartelex-gsm-hat-for-raspberry-pi","title":"SmartElex GSM HAT for Raspberry Pi","description":"\u003cp\u003eThe SmartElex GSM HAT for Raspberry Pi is a Raspberry Pi product available online in India from Tech Depot India, with a GST invoice on every order.\u003c\/p\u003e\u003cp\u003eThe SmartElex GSM HAT is a stackable hardware module that extends Raspberry Pi single-board computers with cellular connectivity via 2G\/3G\/4G GSM networks, enabling remote IoT applications without WiFi dependency. IoT developers, embedded systems engineers, and industrial automation specialists use this HAT to build location-aware monitoring systems, remote data logging platforms, and cellular-enabled edge computing solutions. This module solves the critical problem of network connectivity in remote areas where WiFi infrastructure is unavailable, allowing Raspberry Pi projects to transmit sensor data, receive commands, and maintain persistent connections over cellular networks.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eSpecification\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProduct Type\u003c\/td\u003e \u003ctd\u003eGSM\/GPRS\/EDGE Cellular HAT Module\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBrand\u003c\/td\u003e \u003ctd\u003eSmartElex\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCompatibility\u003c\/td\u003e \u003ctd\u003eRaspberry Pi 3B, 3B+, 4B, Zero, Zero W\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCommunication Protocol\u003c\/td\u003e \u003ctd\u003eUART Serial (AT Commands)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eNetwork Standards\u003c\/td\u003e \u003ctd\u003eGSM 850\/900\/1800\/1900 MHz, GPRS, EDGE\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSIM Card Type\u003c\/td\u003e \u003ctd\u003eStandard 2FF SIM Card Slot\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePower Consumption\u003c\/td\u003e \u003ctd\u003e100mA idle, up to 2A during transmission\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Voltage\u003c\/td\u003e \u003ctd\u003e5V DC (regulated via onboard circuitry)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAntenna\u003c\/td\u003e \u003ctd\u003eIntegrated PCB antenna with external connector option\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eDimensions\u003c\/td\u003e \u003ctd\u003e65mm x 56mm x 20mm (HAT form factor)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003eProduct Type:\u003c\/strong\u003e GSM\/GPRS\/EDGE Cellular HAT Module\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eBrand:\u003c\/strong\u003e SmartElex\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eOrigin:\u003c\/strong\u003e Original\/Authentic\u003c\/li\u003e\n\n\u003cli\u003e \u003cstrong\u003eSupport:\u003c\/strong\u003e reliable via Email and WhatsApp\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Raspberry Pi 3B, 3B+, 4B, Zero, Zero W\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eCommunication Protocol:\u003c\/strong\u003e UART Serial (AT Commands)\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eNetwork Standards:\u003c\/strong\u003e GSM 850\/900\/1800\/1900 MHz, GPRS, EDGE\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eSIM Card Type:\u003c\/strong\u003e Standard 2FF SIM Card Slot\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 100mA idle, up to 2A during transmission\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 5V DC (regulated via onboard circuitry)\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eAntenna:\u003c\/strong\u003e Integrated PCB antenna with external connector option\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eDimensions:\u003c\/strong\u003e 65mm x 56mm x 20mm (HAT form factor)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose SmartElex GSM HAT for Raspberry Pi?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of SmartElex GSM HAT for Raspberry Pi\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eMulti-band GSM support covering all Indian cellular networks with 850MHz, 900MHz, 1800MHz, and 1900MHz frequency coverage for nationwide connectivity\u003c\/li\u003e \u003cli\u003eUART-based AT command interface enabling easy integration with Python, C, Node.js, and custom firmware without complex driver installation\u003c\/li\u003e \u003cli\u003eIntegrated SIM card slot supporting standard 2FF SIM cards from all major Indian telecom operators with automatic network detection and registration\u003c\/li\u003e \u003cli\u003eDual antenna options including integrated PCB antenna for compact deployments and external SMA connector for enhanced signal reception in remote locations\u003c\/li\u003e \u003cli\u003eOnboard power management and voltage regulation protecting Raspberry Pi GPIO while handling cellular module's variable power demands up to 2A\u003c\/li\u003e \u003cli\u003eStatus indicator LEDs providing real-time visual feedback for network registration, signal strength, and data transmission activity\u003c\/li\u003e \u003cli\u003eFull GPRS and EDGE data capability enabling TCP\/IP socket communication for cloud connectivity and real-time data streaming applications\u003c\/li\u003e \u003cli\u003eHardware reset button and debug pins allowing developers to troubleshoot connectivity issues and recover from firmware lockups\u003c\/li\u003e \u003cli\u003ePayment Options: UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eRemote environmental monitoring systems in agriculture where IoT sensors deployed in fields transmit soil moisture, temperature, and humidity data via cellular networks to cloud dashboards for precision farming decisions\u003c\/li\u003e \u003cli\u003eIndustrial asset tracking and fleet management solutions using GPS coordinates combined with GSM data transmission to monitor equipment location, maintenance schedules, and operational status in real-time\u003c\/li\u003e \u003cli\u003eSmart metering and utility monitoring for water distribution networks and electrical substations in rural areas where cellular connectivity provides cost-effective alternative to expensive wired infrastructure\u003c\/li\u003e \u003cli\u003eEmergency alert systems and disaster management platforms that leverage cellular networks to send critical notifications, weather alerts, and emergency response coordinates to distributed field teams\u003c\/li\u003e \u003cli\u003eAutonomous weather stations and meteorological data collection points that continuously upload atmospheric readings to research institutions and weather forecasting services via GPRS connectivity\u003c\/li\u003e \u003cli\u003eRetail point-of-sale terminals and mobile payment kiosks operating in remote locations where GSM provides reliable payment gateway connectivity independent of WiFi availability\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003cp\u003eBegin setup by inserting a standard 2FF SIM card from your preferred Indian telecom operator into the SIM slot on the SmartElex GSM HAT, ensuring the card is fully seated until it clicks. Power down your Raspberry Pi completely, then carefully align the HAT's 40-pin header with the GPIO pins on your Raspberry Pi board, applying gentle downward pressure until the module seats firmly. Power on the Raspberry Pi and verify that the network registration LED illuminates within 10-15 seconds, indicating successful connection to the cellular network. Access your Raspberry Pi via SSH or terminal and install the required serial communication libraries using apt-get install python3-serial for Python development or use the provided C libraries for compiled applications.\u003c\/p\u003e\u003cp\u003eConfigure your application to open the UART serial port at \/dev\/ttyAMA0 or \/dev\/ttyS0 with 115200 baud rate, then send AT commands to initialize the module such as AT+CPIN? to verify SIM card status, AT+CREG? to check network registration, and AT+CSQ to monitor signal strength. For data connectivity, establish GPRS context using AT+SAPBR commands followed by AT+HTTPINIT for HTTP operations, or implement TCP socket connections using AT+CIPSTART for direct IP communication with your cloud servers. Comprehensive documentation and Python example scripts are available in the product support portal, demonstrating SMS sending, voice call capabilities, and GPRS data transmission patterns suitable for IoT applications.\u003c\/p\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe SmartElex GSM HAT operates as a plug-and-play expansion board that interfaces with Raspberry Pi's GPIO header, providing full GSM\/GPRS\/EDGE communication capabilities through an integrated SIM card slot and cellular antenna connector. The module communicates with the Raspberry Pi via UART serial interface, utilizing AT command protocol for seamless integration with Python, Node.js, and C-based applications. The onboard power management circuitry handles the variable power demands of cellular transmission, while the integrated voltage regulation ensures stable operation across Raspberry Pi models from Pi Zero to Pi 4B, with typical current draw between 100mA to 2A depending on network activity and signal strength.\u003c\/p\u003e\u003cp\u003eThis GSM HAT distinguishes itself through its compact form factor that maintains HAT compatibility standards, allowing stacking with additional modules, and its comprehensive support for multiple network bands covering 850MHz, 900MHz, 1800MHz, and 1900MHz frequencies used across Indian telecom operators like Airtel, Jio, Vodafone, and BSNL. The module includes built-in status LEDs for network registration and signal strength indication, a reset button for hardware recovery, and pre-configured firmware that accelerates development cycles. Advanced users benefit from the exposed UART pins for direct serial debugging and the flexible antenna design that accommodates both internal and external cellular antennas for improved signal reception in challenging RF environments.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eWhich Indian telecom operators are compatible with the SmartElex GSM HAT?\u003c\/summary\u003e \u003cp\u003eThe SmartElex GSM HAT supports all major Indian telecom operators including Airtel, Jio (via GSM roaming), Vodafone-Idea, and BSNL through its multi-band GSM support covering 850MHz, 900MHz, 1800MHz, and 1900MHz frequencies. Ensure your SIM card has active data plan and adequate balance for GPRS\/EDGE connectivity. We recommend testing with your operator's network before deploying in production environments.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eCan I use the SmartElex GSM HAT with Raspberry Pi Zero or older Pi models?\u003c\/summary\u003e \u003cp\u003eYes, the SmartElex GSM HAT is fully compatible with all Raspberry Pi models featuring the 40-pin GPIO header including Raspberry Pi Zero, Zero W, 3B, 3B+, 4B, and 5. The module's power requirements are managed by onboard voltage regulation, making it suitable for Pi Zero's limited power budget. However, Pi Zero users should consider external USB power supplies for optimal cellular transmission performance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eWhat is the typical data speed and latency of GPRS connectivity through this module?\u003c\/summary\u003e \u003cp\u003eGPRS typically provides 40-115 kbps download speeds with latency between 500ms to 2 seconds depending on network congestion and signal strength. For applications requiring higher speeds, some Indian networks support EDGE protocol delivering up to 236 kbps. If your project demands faster connectivity, consider upgrading to a 4G LTE HAT variant available in our catalog.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eHow do I troubleshoot poor signal strength or connection drops?\u003c\/summary\u003e \u003cp\u003eMonitor signal strength using AT+CSQ command which returns values 0-31 where values above 15 indicate acceptable signal. If experiencing weak signals, try repositioning the Raspberry Pi away from metal objects, switching to the external antenna option via the SMA connector, or relocating to higher ground. Check network registration status with AT+CREG? and verify your SIM card has active service with your telecom operator.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your SmartElex GSM HAT for Raspberry Pi today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy SmartElex GSM HAT for Raspberry Pi Online in India at Tech Depot India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48744393965825,"sku":"TTD-11106","price":1540.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/25b62fdfccc49a421ff32ddff5db1d45.png?v=1778073249"},{"product_id":"ttgo-t-call-v1-4-esp32-wireless-module-sim-antenna-sim-card-sim800h-module-unsoldered","title":"TTGO T-Call V1.4 ESP32 Wireless Module SIM Antenna SIM Card SIM800H Module Unsoldered","description":"\u003cp\u003ePurchase the \u003cstrong\u003eTTGO T-Call V1.4 ESP32 Wireless Module SIM Antenna SIM Card SIM800H Module Unsoldered\u003c\/strong\u003e online at \u003ca href=\"https:\/\/techdepot.in\"\u003eTech Depot India\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Delhi, Hyderabad, Ahmedabad, Jaipur, and Surat.\u003c\/p\u003e\u003cp\u003eOur team in Bengaluru is available reliable to support your journey from product selection to project completion.\u003c\/p\u003e\u003cp\u003eTTGO T-Call V1.4 ESP32 Wireless Module SIM Antenna SIM Card SIM800H Module Unsoldered is a Microcontroller available online in India from Tech Depot India.\u003c\/p\u003e\u003cp\u003eThe TTGO T-Call V1.4 is an integrated ESP32 microcontroller development board with embedded SIM800H GSM\/GPRS module, enabling cellular connectivity for IoT and remote monitoring applications. Professional engineers and IoT developers use this module to build standalone cellular communication systems without requiring external modem components. This product solves the critical challenge of integrating wireless connectivity with microcontroller functionality in space-constrained applications, offering a compact all-in-one solution for 2G cellular communication, SMS transmission, and data connectivity.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eSpecification\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProduct Type\u003c\/td\u003e \u003ctd\u003eESP32 Development Board with Integrated SIM800H GSM Module\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBrand\u003c\/td\u003e \u003ctd\u003eTTGO\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eModel\u003c\/td\u003e \u003ctd\u003eT-Call V1.4\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMicrocontroller\u003c\/td\u003e \u003ctd\u003eESP32 Dual-Core 240MHz with 520KB SRAM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCellular Module\u003c\/td\u003e \u003ctd\u003eSIM800H Quad-Band GSM\/GPRS\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Voltage\u003c\/td\u003e \u003ctd\u003e5V USB or 3.7V Lithium Battery\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCommunication Interface\u003c\/td\u003e \u003ctd\u003eUART Serial, USB Micro-B\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSIM Card Slot\u003c\/td\u003e \u003ctd\u003eMicro-SIM Card Socket\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAntenna Connector\u003c\/td\u003e \u003ctd\u003eSMA Female for External SIM Antenna\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePeak Current Draw\u003c\/td\u003e \u003ctd\u003e2A during cellular transmission\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBattery Charging\u003c\/td\u003e \u003ctd\u003eIntegrated TP4056 Lithium Charger with Protection\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSupported Frequencies\u003c\/td\u003e \u003ctd\u003eGSM 850\/900\/1800\/1900 MHz GPRS Class 12\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eData Rate\u003c\/td\u003e \u003ctd\u003eGPRS up to 85.6 kbps\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose TTGO T-Call V1.4 ESP32 Wireless Module SIM Antenna SIM Card SIM800H Module Unsoldered?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of TTGO T-Call V1.4 ESP32 Wireless Module SIM Antenna SIM Card SIM800H Module Unsoldered\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eIntegrated SIM800H Module: Eliminates need for external GSM modem, reducing PCB footprint and component count for compact IoT designs\u003c\/li\u003e \u003cli\u003eDual-Core ESP32 Processor: 240MHz processing capability with 520KB SRAM enables complex local processing and WiFi\/Bluetooth connectivity simultaneously\u003c\/li\u003e \u003cli\u003eExternal Antenna Support: SMA connector allows connection of high-gain SIM antenna for improved cellular signal reception in remote locations\u003c\/li\u003e \u003cli\u003eBuilt-in Battery Charging: TP4056 lithium charger with protection circuit supports portable applications without external charging modules\u003c\/li\u003e \u003cli\u003eUART Communication: Dedicated serial interface between ESP32 and SIM800H enables reliable AT command protocol implementation\u003c\/li\u003e \u003cli\u003eUSB Debugging Interface: Micro-USB port provides serial console access for firmware development and real-time debugging\u003c\/li\u003e \u003cli\u003eMicro-SIM Support: Standard micro-SIM card slot compatible with all major cellular carriers worldwide\u003c\/li\u003e \u003cli\u003eUnsoldered Configuration: Allows customization of connection points based on specific project integration requirements\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eRemote IoT Monitoring Systems: Deploy environmental sensors, temperature loggers, and air quality monitors in locations without WiFi infrastructure using cellular GPRS data transmission\u003c\/li\u003e \u003cli\u003eGPS Tracking Devices: Combine with GPS modules to create real-time vehicle tracking, asset monitoring, and personal safety devices with cellular location reporting\u003c\/li\u003e \u003cli\u003eIndustrial Alarm Systems: Implement remote alarm notification systems for factories and warehouses that send SMS alerts and GPRS data to central monitoring stations\u003c\/li\u003e \u003cli\u003eSmart Metering Applications: Build utility meter reading systems that transmit consumption data via cellular network for automated billing and consumption analytics\u003c\/li\u003e \u003cli\u003eEmergency Communication Devices: Create standalone emergency alert systems that function independently of WiFi infrastructure for disaster response and rural connectivity\u003c\/li\u003e \u003cli\u003eAgricultural IoT Solutions: Monitor soil moisture, weather conditions, and crop health in remote farmland with cellular data transmission for precision farming\u003c\/li\u003e \u003cli\u003ePortable Data Logger: Develop battery-powered data acquisition systems that record sensor information and upload via GPRS when cellular coverage is available\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003cp\u003eBegin by inserting a micro-SIM card with active 2G\/GPRS plan into the SIM card slot on the board. Connect the TTGO T-Call V1.4 to your computer via the USB micro-B port and install the CP2104 USB-to-UART driver if not automatically detected. Download the Arduino IDE and add ESP32 board support by configuring the board manager with the appropriate JSON URL. Select the TTGO T-Call V1.4 board from the board selection menu and configure the UART pins for SIM800H communication, typically GPIO16 (RX) and GPIO17 (TX). Flash example sketches that demonstrate AT command transmission to the SIM800H module for basic functionality testing such as checking signal strength, sending SMS messages, and establishing GPRS connections.\u003c\/p\u003e\u003cp\u003eFor optimal cellular reception, attach an external SIM antenna to the SMA connector on the board, particularly in areas with weak signal strength. If using battery power, connect a 3.7V lithium cell to the battery connector and enable the charging circuit through firmware configuration. Implement proper power management by putting the ESP32 into deep sleep mode between data transmission cycles to extend battery life significantly. Use the UART serial monitor at 115200 baud rate to debug AT command responses and troubleshoot connectivity issues. For production deployments, implement error handling routines that manage temporary network unavailability and retry logic for failed data transmissions.\u003c\/p\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe TTGO T-Call V1.4 combines the powerful dual-core ESP32 processor with the SIM800H cellular module on a single PCB, eliminating the need for external GSM modems. The ESP32 handles local processing, WiFi connectivity, and Bluetooth functionality, while the SIM800H module manages 2G\/GPRS cellular communication over a standard micro-SIM card slot. The board features an integrated antenna connector for external SIM antenna enhancement, improving signal reception in weak coverage areas. The unsoldered variant ships with all components pre-assembled except for specific connection points, allowing developers to customize their integration approach based on project requirements.\u003c\/p\u003e\u003cp\u003eThis module operates on 5V power supply with integrated voltage regulation, drawing approximately 2A peak current during cellular transmission. The SIM800H supports quad-band GSM frequencies (850\/900\/1800\/1900 MHz), enabling global cellular coverage across most regions. Communication between the ESP32 and SIM800H occurs via UART interface, allowing developers to send AT commands for controlling cellular functions. The board includes a 3.7V lithium battery charging circuit with protection, making it suitable for portable IoT applications. Built-in debugging capabilities through USB serial interface facilitate rapid prototyping and firmware development.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eWhat is the difference between TTGO T-Call V1.3 and V1.4?\u003c\/summary\u003e \u003cp\u003eThe V1.4 version includes improved power management circuitry, better PCB layout for reduced electromagnetic interference, and enhanced battery charging protection. The V1.4 also features more stable UART communication between the ESP32 and SIM800H module, resulting in fewer dropped connections and more reliable AT command execution compared to earlier versions.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eCan I use this module with 4G\/LTE networks?\u003c\/summary\u003e \u003cp\u003eNo, the SIM800H module supports only 2G GSM and GPRS networks. It cannot connect to 3G, 4G, or LTE networks. However, it remains functional in most regions as carriers maintain 2G infrastructure for legacy device support. For 4G capability, consider the TTGO T-Call Plus which features the SIM7600 module, though at higher cost and power consumption.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eWhat power consumption should I expect during GPRS data transmission?\u003c\/summary\u003e \u003cp\u003ePeak current draw reaches approximately 2 amperes during active cellular transmission, with average consumption around 800mA during data sessions. In idle mode with GPRS connection maintained, the module draws approximately 5-10mA. In deep sleep mode with periodic wake-ups, consumption can be reduced to under 1mA, making battery-powered deployments feasible for applications with intermittent data transmission requirements.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eIs soldering required for the unsoldered version?\u003c\/summary\u003e \u003cp\u003eThe unsoldered version comes with all major components pre-assembled and soldered. Specific connection points may require soldering depending on your integration approach, such as battery connector or antenna adapter connections. Most users can operate this board without additional soldering, though basic soldering skills are recommended for custom modifications or battery integration.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eHow do I send SMS messages using this module?\u003c\/summary\u003e \u003cp\u003eUse the AT+CMGS command through the UART interface to send SMS messages. First, set the SMS mode using AT+CMGF=1 for text mode, then use AT+CMGS=\"phone_number\" followed by the message text and Ctrl+Z to transmit. The SIM800H module handles the SMS transmission through the cellular network, and you receive confirmation responses indicating success or failure of the operation.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eWhat is the maximum distance for external SIM antenna?\u003c\/summary\u003e \u003cp\u003eThe SMA connector supports standard coaxial cable up to 10 meters in length without significant signal degradation. For longer cable runs, use low-loss coaxial cable rated for RF applications. The external antenna provides approximately 5-7dB gain improvement over the onboard antenna, significantly enhancing reception in weak signal areas such as basements or remote locations.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your TTGO T-Call V1.4 ESP32 Wireless Module SIM Antenna SIM Card SIM800H Module Unsoldered today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy TTGO T-Call V1.4 ESP32 Wireless Module SIM Antenna SIM Card SIM800H Module Unsoldered Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/esp32\"\u003eESP32\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48744393998593,"sku":"TTD-11107","price":2262.04,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/31c08132f8fe418d3d44353b2e14756d.jpg?v=1778073250"},{"product_id":"ai-thinker-ec-01f-kit-nb-iot-development-board","title":"Ai-Thinker EC-01F-Kit NB+IOT Development Board","description":"\u003cp\u003eOur team in Bengaluru is available reliable to support your journey from product selection to project completion.\u003c\/p\u003e\u003cp\u003eThe Ai-Thinker EC-01F-Kit is a comprehensive NB-IoT development board designed for rapid prototyping and deployment of narrowband IoT applications with integrated cellular connectivity. IoT engineers, embedded systems developers, and telecommunications professionals use this kit to build connected devices that require low-power, wide-area network coverage with minimal bandwidth requirements. This development board solves the critical challenge of implementing reliable NB-IoT connectivity in resource-constrained environments while providing complete hardware and software support for production-grade IoT solutions.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eSpecification\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProduct Type\u003c\/td\u003e \u003ctd\u003eNB-IoT Development Board with Module\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBrand\u003c\/td\u003e \u003ctd\u003eAi-Thinker\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eNB-IoT Module\u003c\/td\u003e \u003ctd\u003eEC-01F with 3GPP Release 13 compliance\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Voltage\u003c\/td\u003e \u003ctd\u003e3.3V regulated with 5V tolerant inputs\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFrequency Bands\u003c\/td\u003e \u003ctd\u003eBand 3, 5, 8, 20, 28 (800MHz to 2.1GHz)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCommunication Interfaces\u003c\/td\u003e \u003ctd\u003eUART, USB, GPIO headers, SIM socket\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePower Consumption\u003c\/td\u003e \u003ctd\u003eStandby 10mA, Active TX 200-300mA\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAntenna\u003c\/td\u003e \u003ctd\u003eIntegrated with external connector option\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose Ai-Thinker EC-01F-Kit NB+IOT Development Board?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of Ai-Thinker EC-01F-Kit NB+IOT Development Board\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e3GPP Release 13 NB-IoT compliance with multi-band frequency support enabling global carrier network compatibility across Band 3, 5, 8, 20, and 28\u003c\/li\u003e \u003cli\u003eUltra-low power operation with PSM and eDRX modes delivering 5-10 year battery life in typical IoT sensor applications\u003c\/li\u003e \u003cli\u003eComplete development kit including breakout board, reference schematics, AT command set, and example firmware reducing time-to-market\u003c\/li\u003e \u003cli\u003eIntegrated power management with onboard 3.3V regulator, multiple GPIO headers, and UART\/USB interfaces for rapid prototyping and debugging\u003c\/li\u003e \u003cli\u003eCompact form factor with onboard antenna design and external connector option for flexible deployment scenarios\u003c\/li\u003e \u003cli\u003eProduction-ready documentation with carrier network configuration guides and AT command reference for seamless integration\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eSmart utility metering systems for water, gas, and electricity consumption monitoring with secure cellular transmission and extended battery operation in remote locations\u003c\/li\u003e \u003cli\u003eEnvironmental monitoring networks including temperature, humidity, air quality sensors deployed across wide geographic areas with minimal infrastructure requirements\u003c\/li\u003e \u003cli\u003eAsset tracking and logistics solutions for fleet management, container monitoring, and supply chain visibility using low-bandwidth cellular connectivity\u003c\/li\u003e \u003cli\u003eSmart city infrastructure including parking sensors, waste management systems, and street lighting control requiring reliable connectivity in underground or building-penetrating scenarios\u003c\/li\u003e \u003cli\u003eIndustrial IoT applications for equipment monitoring, predictive maintenance, and process control in factories with existing cellular network coverage\u003c\/li\u003e \u003cli\u003eHealthcare wearables and remote patient monitoring devices requiring extended battery life and continuous connectivity without high-bandwidth video streaming\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003cp\u003eBegin by inserting a compatible NB-IoT SIM card into the onboard SIM socket, ensuring proper seating and retention. Connect the development board to your computer via USB for power and serial communication, or provide external 3.3V power through the dedicated headers. Use the UART interface at 115200 baud rate to send AT commands and configure the module for your carrier network. Execute AT+CPIN to verify SIM card status, AT+CREG to check network registration status, and AT+CGATT to enable packet domain attachment to the NB-IoT network.\u003c\/p\u003e\u003cp\u003eOnce network connectivity is established, use AT+CGDCONT to define PDP context with your carrier's APN settings, then AT+CGACT to activate the data connection. For data transmission, employ AT+NSOCR to create sockets, AT+NSOSEND for UDP\/TCP data transmission, and AT+NSOCL to close connections after data exchange. Leverage the GPIO headers to interface with external sensors using I2C or SPI protocols, collecting environmental data that can be transmitted through the NB-IoT connection. Refer to the provided firmware examples and AT command documentation to accelerate your development cycle and implement application-specific logic for your IoT deployment.\u003c\/p\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Ai-Thinker EC-01F-Kit integrates the EC-01F NB-IoT module with a complete development ecosystem including breakout board, antenna connectors, power management circuits, and debugging interfaces. The module operates on 3GPP Release 13 NB-IoT standards, providing superior indoor penetration, extended battery life through PSM (Power Saving Mode) and eDRX (extended Discontinuous Reception), and reduced device complexity compared to LTE-M or full 4G implementations. The kit features onboard voltage regulation for stable 3.3V operation, multiple GPIO headers for sensor integration, UART\/USB interfaces for serial communication, and SIM card socket for direct carrier network connectivity.\u003c\/p\u003e\u003cp\u003eWhat distinguishes the EC-01F-Kit is its dual-band frequency support covering Band 3, 5, 8, 20, and 28, enabling global deployment across multiple carrier networks. The development board includes comprehensive reference schematics, AT command documentation, and example firmware code for rapid development cycles. The integrated antenna design minimizes external component requirements, while the compact form factor allows seamless integration into prototype enclosures. Power consumption specifications demonstrate exceptional efficiency with standby currents below 10mA and active transmission at 200-300mA, making it ideal for battery-powered IoT deployments requiring 5-10 year operational lifespans.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eWhat is the difference between NB-IoT and LTE-M connectivity?\u003c\/summary\u003e \u003cp\u003eNB-IoT uses narrower bandwidth (180kHz) compared to LTE-M (1.4MHz), resulting in superior indoor penetration, lower device cost, and reduced power consumption. NB-IoT is optimized for static or low-mobility sensors with infrequent data transmission, while LTE-M suits applications requiring higher data rates and mobility. The EC-01F-Kit specifically implements NB-IoT for maximum battery life and coverage in challenging RF environments.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eWhich carriers support NB-IoT in India?\u003c\/summary\u003e \u003cp\u003eMajor Indian carriers including Jio, Airtel, and Vodafone Idea have deployed NB-IoT networks across their coverage areas. Verify band support with your specific carrier before deployment. The EC-01F-Kit supports Bands 3, 5, 8, 20, and 28, covering most Indian carrier deployments. Contact your carrier's technical support to confirm NB-IoT availability in your target deployment region.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eHow do I achieve 5-10 year battery life with this board?\u003c\/summary\u003e \u003cp\u003eImplement PSM (Power Saving Mode) where the module enters deep sleep between data transmission cycles, consuming only 10mA standby current. Configure eDRX (extended Discontinuous Reception) to minimize paging cycles. Transmit data at scheduled intervals rather than continuously, and optimize payload size to reduce transmission duration. A 2000mAh battery with PSM configured for hourly transmissions can sustain 5+ years of operation in typical sensor applications.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eCan I use this board for prototyping before production deployment?\u003c\/summary\u003e \u003cp\u003eYes, the EC-01F-Kit is specifically designed for rapid prototyping with complete reference designs, firmware examples, and AT command documentation. The compact form factor and integrated antenna allow direct embedding into prototype enclosures. Once validated, you can transition to production by sourcing the EC-01F module separately and manufacturing custom PCBs based on the provided reference schematics.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your Ai-Thinker EC-01F-Kit NB+IOT Development Board today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy Ai-Thinker EC-01F-Kit NB+IOT Development Board Online in India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48744402977025,"sku":"TTD-11321","price":904.18,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/70691ea4d59dc9c0ce2dbcdb4241ff2a.jpg?v=1778073570"},{"product_id":"ai-thinker-ec-01-kit-nb-iot-development-board","title":"Ai-Thinker EC-01-Kit NB+IOT Development Board","description":"\u003cp\u003eThe Ai-Thinker EC-01-Kit is a comprehensive NB-IoT and LTE-M development platform designed for rapid prototyping of cellular IoT applications with industrial-grade reliability. IoT engineers, embedded systems developers, and telecommunications professionals use this kit to build connected devices that require low-power wide-area network (LPWAN) connectivity with extended battery life and deep indoor coverage. This development board solves the critical challenge of integrating cellular IoT connectivity into remote monitoring systems, asset tracking solutions, and smart meter applications where traditional WiFi and Bluetooth are insufficient.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eSpecification\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProduct Type\u003c\/td\u003e \u003ctd\u003eNB-IoT Development Board with LTE-M Support\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBrand\u003c\/td\u003e \u003ctd\u003eAi-Thinker\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCellular Standard\u003c\/td\u003e \u003ctd\u003eNB-IoT (3GPP Release 13) and LTE-M (Cat-M1)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Frequency Bands\u003c\/td\u003e \u003ctd\u003eBand 3, 5, 8, 20, 28 (900 MHz to 2.1 GHz)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eData Rate\u003c\/td\u003e \u003ctd\u003e250 kbps downlink, 20 kbps uplink (NB-IoT mode)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePower Consumption\u003c\/td\u003e \u003ctd\u003eIdle: 2 mA, Sleep: 10 uA, Active TX: 450 mA peak\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBattery Life\u003c\/td\u003e \u003ctd\u003eUp to 10 years with PSM and eDRX enabled\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eInterface Connectors\u003c\/td\u003e \u003ctd\u003eUSB Type-B, UART, SPI, I2C, GPIO headers\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAntenna Type\u003c\/td\u003e \u003ctd\u003eIntegrated PCB antenna with 2 dBi gain\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose Ai-Thinker EC-01-Kit NB+IOT Development Board?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of Ai-Thinker EC-01-Kit NB+IOT Development Board\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eDual-mode Cellular Connectivity: Supports both NB-IoT and LTE-M protocols, enabling fallback connectivity and network flexibility for global IoT deployments\u003c\/li\u003e \u003cli\u003eUltra-low Power Architecture: Achieves 10+ year battery life through PSM and eDRX modes, ideal for unattended remote sensors and devices in hard-to-access locations\u003c\/li\u003e \u003cli\u003eIntegrated Development Environment: Pre-loaded firmware, AT command interface, and GPIO expansion simplify prototyping without requiring custom hardware design\u003c\/li\u003e \u003cli\u003eMulti-band Support: Operates across 5 frequency bands covering major global cellular networks, ensuring compatibility with carriers in India, Asia, Europe, and Americas\u003c\/li\u003e \u003cli\u003eIndustrial Temperature Range: Rated for -40 to +85 degrees Celsius operation, suitable for harsh outdoor and industrial environments\u003c\/li\u003e \u003cli\u003eComprehensive Debug Interfaces: USB debugging, UART serial console, and JTAG support enable real-time monitoring and firmware updates during development\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eSmart Meter Reading: Deploy NB-IoT enabled smart electricity, water, and gas meters across urban and rural areas with reliable indoor penetration and minimal data transmission overhead\u003c\/li\u003e \u003cli\u003eAsset Tracking and Logistics: Build GPS-enabled tracking devices for container monitoring, vehicle fleet management, and supply chain visibility with extended battery life for multi-year deployments\u003c\/li\u003e \u003cli\u003eEnvironmental Monitoring: Create remote weather stations, air quality sensors, and soil moisture monitors that transmit data periodically over cellular networks without requiring WiFi infrastructure\u003c\/li\u003e \u003cli\u003eIndustrial IoT and Predictive Maintenance: Implement condition monitoring systems for machinery, HVAC systems, and industrial equipment that detect anomalies and alert maintenance teams through cellular connectivity\u003c\/li\u003e \u003cli\u003eHealthcare Wearables: Develop patient monitoring devices and medical alert systems that transmit vital signs and emergency signals reliably in areas with poor WiFi coverage\u003c\/li\u003e \u003cli\u003eSmart City Infrastructure: Build traffic sensors, parking occupancy monitors, and public utility management systems that leverage NB-IoT's wide coverage and low bandwidth requirements\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003cp\u003eBegin by connecting the Ai-Thinker EC-01-Kit to your development computer via the USB Type-B connector. Install the provided USB-to-UART drivers and open a serial terminal application (PuTTY, minicom, or Arduino IDE) configured to 115200 baud rate. Verify basic connectivity by sending AT commands such as AT+CPIN? to check SIM card status and AT+COPS? to display available cellular networks. The development kit ships with pre-configured firmware that responds to standard 3GPP AT commands, allowing immediate network registration without additional flashing.\u003c\/p\u003e\u003cp\u003eTo develop custom applications, leverage the provided C\/C++ SDK and example code repositories available on Ai-Thinker's GitHub. Configure your device to connect to your cloud platform using MQTT over TLS or CoAP protocols, both fully supported by the EC-01-Kit firmware. Implement power-saving modes by configuring PSM timers (AT+CPSMS command) to extend battery life, and test your application using the onboard GPIO headers to interface with sensors, actuators, and external peripherals. The kit includes comprehensive AT command documentation and schematic files for reference design purposes, enabling seamless transition to custom PCB layouts for production deployments.\u003c\/p\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Ai-Thinker EC-01-Kit integrates a powerful NB-IoT module with comprehensive development resources, enabling seamless connectivity to cellular networks with minimal power consumption. The kit operates on the NB-IoT standard (3GPP Release 13), providing bandwidth-efficient communication suitable for battery-powered devices that transmit small data packets intermittently. The development board features onboard debugging interfaces, GPIO expansion headers, and pre-configured firmware that accelerates time-to-market for commercial IoT deployments. With support for both IPv4 and IPv6 protocols, the EC-01-Kit enables direct integration with cloud platforms like AWS IoT, Azure IoT Hub, and Alibaba Cloud.\u003c\/p\u003e\u003cp\u003eThe EC-01-Kit distinguishes itself through Ai-Thinker's optimized antenna design that delivers superior signal penetration in urban environments and indoor locations where conventional cellular modules struggle. The development environment includes comprehensive AT command documentation, sample code repositories, and schematic references that enable developers to transition from prototype to production-grade hardware with minimal redesign. Built-in power management circuitry supports multiple power modes including PSM (Power Saving Mode) and eDRX (extended Discontinuous Reception), achieving battery life exceeding 10 years in typical IoT applications.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eWhat is the difference between NB-IoT and LTE-M connectivity supported by EC-01-Kit?\u003c\/summary\u003e \u003cp\u003eNB-IoT provides narrower bandwidth (180 kHz) with lower power consumption, ideal for devices transmitting small data packets infrequently. LTE-M (Cat-M1) offers higher data rates (1 Mbps) and lower latency, suitable for applications requiring faster response times. The EC-01-Kit supports both modes, allowing automatic fallback to whichever standard provides better coverage in your deployment region. Network operators in India including Jio and Vodafone Idea are progressively deploying NB-IoT infrastructure, making this dual-mode capability valuable for future-proof designs.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eHow do I configure Power Saving Mode (PSM) to maximize battery life?\u003c\/summary\u003e \u003cp\u003ePSM is configured using the AT+CPSMS command with parameters specifying the periodic TAU (Tracking Area Update) timer and active timer duration. For example, AT+CPSMS=1,,,11100001,00000001 sets a 10-minute TAU interval and 2-second active timer. During PSM, the device enters deep sleep consuming only 10 microamperes, waking periodically to maintain network registration. Actual battery life depends on transmission frequency, signal strength, and initial battery capacity. With PSM enabled and hourly data transmission, typical AA battery-powered devices achieve 3-5 year operational life.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eCan I use EC-01-Kit with Indian cellular networks and which carriers support NB-IoT?\u003c\/summary\u003e \u003cp\u003eYes, the EC-01-Kit operates on frequency bands supported by Indian carriers. Reliance Jio has deployed NB-IoT networks in major cities and is expanding coverage nationwide. Vodafone Idea and Airtel are progressively rolling out NB-IoT infrastructure. The kit supports Band 3 (1800 MHz) and Band 8 (900 MHz) which are primary NB-IoT bands in India. Before deployment, verify NB-IoT coverage in your target region by contacting your carrier or checking their network coverage maps. The device automatically selects the strongest available network, providing seamless fallback between carriers.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eWhat debugging and development tools are included with the kit?\u003c\/summary\u003e \u003cp\u003eThe EC-01-Kit includes USB debugging capability via the onboard USB-to-UART converter, allowing serial terminal access for AT command testing and firmware monitoring. UART pins are exposed on headers for direct integration with external debugging equipment. The kit supports firmware updates via USB and includes comprehensive AT command documentation covering network registration, data transmission, power management, and GPIO control. Ai-Thinker provides open-source example code repositories demonstrating MQTT connectivity, sensor integration, and cloud platform integration patterns.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your Ai-Thinker EC-01-Kit NB+IOT Development Board today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy Ai-Thinker EC-01-Kit NB+IOT Development Board Online in India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48744403009793,"sku":"TTD-11322","price":914.78,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/1b0ad5ed29bdb7417744327cd4561d5d.jpg?v=1778073572"},{"product_id":"ttgo-sim7600e-h-module-esp32-wrover-b-chip-wifi-bluetooth-18560-battery-holder-solar-charge-development-board-unsoldered","title":"TTGO SIM7600E-H Module ESP32- WROVER-B Chip WiFi Bluetooth 18560 Battery Holder Solar Charge Development Board Unsoldered","description":"\u003cp\u003eTTGO SIM7600E-H Module ESP32- WROVER-B Chip WiFi Bluetooth 18560 Battery Holder Solar Charge Development Board Unsoldered\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eWi-Fi\/BT Module\u003c\/td\u003e \u003ctd\u003eESP32-WROVER-B (includes onboard PSRAM)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCellular Modem\u003c\/td\u003e \u003ctd\u003eSIMCom SIM7600E-H, 4G LTE Cat-4 with typical GNSS support\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePower\u003c\/td\u003e \u003ctd\u003e18650 Li-ion battery holder plus a solar-charging circuit\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAssembly\u003c\/td\u003e \u003ctd\u003eUnsoldered (battery holder\/headers ship unassembled)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhy Choose TTGO SIM7600E-H Module ESP32- WROVER-B Chip WiFi Bluetooth 18560 Battery Holder Solar Charge Development Board Unsoldered?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of TTGO SIM7600E-H Module ESP32- WROVER-B Chip WiFi Bluetooth 18560 Battery Holder Solar Charge Development Board Unsoldered\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eSIM7600E-H gives full 4G LTE Cat-4 connectivity plus GNSS positioning on one board\u003c\/li\u003e \u003cli\u003eESP32-WROVER-B adds Wi-Fi\/Bluetooth with extra PSRAM for buffering cellular data\u003c\/li\u003e \u003cli\u003e18650 holder with solar-charging circuit supports off-grid, solar-topped-up deployments\u003c\/li\u003e \u003cli\u003eUnsoldered format lets you choose your own headers\/connectors for the final build\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eOff-grid cellular + GNSS asset trackers\u003c\/li\u003e \u003cli\u003eSolar-powered remote IoT sensor nodes\u003c\/li\u003e \u003cli\u003eDual Wi-Fi\/4G connectivity projects needing a fallback network path\u003c\/li\u003e \u003cli\u003eField deployments outside Wi-Fi coverage\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eDo you provide a GST invoice?\u003c\/summary\u003e\u003cp\u003eYes, a GST invoice is available on every order.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk \/ wholesale pricing?\u003c\/summary\u003e\u003cp\u003eYes — for bulk enquiries, WhatsApp us at +91 78285 34155.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your TTGO SIM7600E-H Module ESP32- WROVER-B Chip WiFi Bluetooth 18560 Battery Holder Solar Charge Development Board Unsoldered today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy TTGO SIM7600E-H Module ESP32- WROVER-B Chip WiFi Bluetooth 18560 Battery Holder Solar Charge Development Board Unsoldered Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/esp32\"\u003eESP32\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48744408449281,"sku":"TTD-11414","price":8271.6,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/07cca46cc76ac5ec34b97c88d32ac226.jpg?v=1778073705"},{"product_id":"ttgo-tcall-amp-pmu-esp32-wireless-module-sim-antenna-sim-card-sim800l-module-unsoldered","title":"TTGO TCall\u0026amp,PMU ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module Unsoldered","description":"\u003cp\u003eTTGO TCall\u0026amp;amp,PMU ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module Unsoldered is a Microcontroller available online in India from Tech Depot India.\u003c\/p\u003e\u003cp\u003eThe TTGO TCall PMU is an integrated ESP32 microcontroller development board featuring the SIM800L GSM module, enabling 2G cellular connectivity with voice, SMS, and data capabilities. IoT developers, embedded systems engineers, and hardware prototypers use this module to build remote monitoring systems, GPS tracking devices, and IoT applications requiring cellular communication without WiFi infrastructure. This unsoldered variant solves the problem of integrating cellular connectivity into battery-powered IoT projects while maintaining compact form factor and low power consumption through integrated power management.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eSpecification\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProduct Type\u003c\/td\u003e \u003ctd\u003eESP32 Microcontroller with SIM800L GSM Module\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBrand\u003c\/td\u003e \u003ctd\u003eTTGO\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMain Processor\u003c\/td\u003e \u003ctd\u003eESP32 Dual-Core 240MHz Xtensa\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCellular Module\u003c\/td\u003e \u003ctd\u003eSIM800L Quad-Band GSM\/GPRS\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Voltage\u003c\/td\u003e \u003ctd\u003e3.7V to 4.2V (Li-Po Battery)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFlash Memory\u003c\/td\u003e \u003ctd\u003e4MB\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eRAM\u003c\/td\u003e \u003ctd\u003e520KB SRAM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eConnectivity\u003c\/td\u003e \u003ctd\u003eGSM 850\/900\/1800\/1900MHz, GPRS Class 12\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCharging Circuit\u003c\/td\u003e \u003ctd\u003eIntegrated Li-Po Charger with USB Input\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSIM Card Slot\u003c\/td\u003e \u003ctd\u003eMicro-SIM Compatible\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAntenna\u003c\/td\u003e \u003ctd\u003eExternal SMA Connector for SIM800L\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBoard Dimensions\u003c\/td\u003e \u003ctd\u003eApproximately 55mm x 35mm x 10mm\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose TTGO TCall\u0026amp;,PMU ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module Unsoldered?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of TTGO TCall\u0026amp;amp,PMU ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module Unsoldered\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eIntegrated Power Management Unit with automatic USB\/battery switching and Li-Po charging circuit for seamless portable operation\u003c\/li\u003e \u003cli\u003eDual-core ESP32 processor with 240MHz clock speed and 520KB RAM enabling complex IoT applications and real-time data processing\u003c\/li\u003e \u003cli\u003eSIM800L GSM module supporting voice calls, SMS messaging, and GPRS data connectivity across 850\/900\/1800\/1900MHz bands globally\u003c\/li\u003e \u003cli\u003eUnsoldered configuration allowing custom header placement, antenna routing, and component-level customization for production designs\u003c\/li\u003e \u003cli\u003e4MB flash memory with OTA firmware update capability via cellular connection for remote device management\u003c\/li\u003e \u003cli\u003eBuilt-in 32.768kHz RTC crystal for accurate timestamp logging and scheduled task execution\u003c\/li\u003e \u003cli\u003eComprehensive GPIO support including SPI, I2C, UART, ADC channels, and PWM outputs for sensor integration\u003c\/li\u003e \u003cli\u003eMicro-USB charging port with integrated protection circuits and battery level monitoring\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eRemote GPS tracking devices for vehicles and assets using cellular GPRS data transmission with real-time location updates\u003c\/li\u003e \u003cli\u003eIndustrial IoT monitoring systems for remote machinery, environmental sensors, and equipment diagnostics with cellular alarm notifications\u003c\/li\u003e \u003cli\u003eSmart agriculture applications monitoring soil moisture, temperature, and humidity with automated SMS alerts to farmers\u003c\/li\u003e \u003cli\u003eEmergency alert systems and panic buttons for security applications requiring cellular connectivity independent of WiFi infrastructure\u003c\/li\u003e \u003cli\u003eBattery-powered environmental monitoring stations collecting air quality, weather, and pollution data with periodic cellular data upload\u003c\/li\u003e \u003cli\u003ePrototype development for cellular IoT products with integrated power management and carrier-grade GSM connectivity\u003c\/li\u003e \u003cli\u003eSmart metering and utility monitoring solutions for remote meter reading and consumption tracking via GPRS\u003c\/li\u003e \u003cli\u003eWearable health monitoring devices transmitting vital signs and health alerts through cellular network\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003cp\u003eBegin by soldering appropriate pin headers to the unsoldered pads according to your project requirements. Insert a micro-SIM card with active 2G GSM service into the SIM card slot, ensuring proper orientation. Connect the external antenna to the SMA connector on the SIM800L module for optimal cellular signal reception. Attach a 3.7V to 4.2V lithium polymer battery to the battery connector, or use the micro-USB port for direct power and charging. Connect your development computer via USB to program the ESP32 using the Arduino IDE or ESP-IDF framework with appropriate SIM800L AT command libraries.\u003c\/p\u003e\u003cp\u003eConfigure the serial communication between ESP32 and SIM800L module using UART pins (typically GPIO16 for RX and GPIO17 for TX). Initialize the SIM800L with AT commands to register on the network, establish GPRS connection, and configure SMS or voice functionality as needed. Implement power management strategies using the integrated PMU to optimize battery life, such as enabling light sleep modes during idle periods and scheduling cellular transmissions. Test signal strength using AT+CSQ command and monitor battery voltage through ADC pins to implement low-battery warnings and graceful shutdown procedures.\u003c\/p\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe TTGO TCall PMU combines the powerful ESP32 dual-core processor running at 240MHz with the industry-standard SIM800L GSM module, creating a complete cellular IoT solution on a single PCB. The module operates on 3.7V to 4.2V lithium battery input with integrated charging circuit and power management unit, allowing direct connection of Li-Po batteries. The SIM800L provides quad-band GSM\/GPRS connectivity (850\/900\/1800\/1900MHz) suitable for global deployment, while the ESP32 handles application logic, sensor interfacing, and data processing. The unsoldered configuration allows developers to customize pin headers, antenna connections, and component placement according to specific project requirements.\u003c\/p\u003e\u003cp\u003eThis board integrates a 32.768kHz RTC crystal for accurate timekeeping, micro-USB charging port, and dedicated antenna connector for the SIM800L module. The ESP32 includes 520KB SRAM, 4MB flash memory, and comprehensive peripheral support including SPI, I2C, UART, ADC, PWM, and capacitive touch sensing. The power management circuit intelligently switches between USB power and battery, with automatic charging when USB is connected. The unsoldered design provides flexibility for advanced users to implement custom power distribution, add additional sensors, or optimize PCB layout for production-grade applications.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eWhat is the difference between soldered and unsoldered versions of TTGO TCall PMU?\u003c\/summary\u003e \u003cp\u003eThe unsoldered version comes without pin headers, antenna connectors, and battery connectors pre-soldered to the PCB. This allows developers to customize header placement, choose specific connector types, and optimize component positioning for their specific application. The soldered version comes fully assembled and ready to use immediately. Choose unsoldered for custom designs and production optimization, soldered for rapid prototyping.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eCan this module work without a battery, using only USB power?\u003c\/summary\u003e \u003cp\u003eYes, the integrated power management circuit allows operation directly from USB power without a battery connected. However, the module is optimized for battery operation, and the PMU intelligently manages power distribution between USB and battery sources. For always-on applications, USB power is suitable, but battery backup is recommended for IoT applications requiring continuous operation during power outages.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eWhat type of SIM card does this module require?\u003c\/summary\u003e \u003cp\u003eThe TTGO TCall PMU uses a micro-SIM card slot (15mm x 12mm), which is the standard SIM format for most 2G and 3G devices. Ensure your SIM card is activated with an active 2G GSM plan from your carrier. Some carriers may require enabling 2G access in their network settings as they phase out 2G services. Nano-SIM cards can be used with a micro-SIM adapter.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eWhat is the typical battery life with this module?\u003c\/summary\u003e \u003cp\u003eBattery life depends heavily on usage patterns. In idle mode with periodic data transmission every 30 minutes, expect 7-10 days from a 2000mAh Li-Po battery. Continuous voice calls drain the battery in 3-5 hours. Light sleep modes can extend battery life to several weeks for applications transmitting data only once daily. Implement aggressive power management and disable unnecessary peripherals to maximize battery duration.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eDoes this module support WiFi connectivity in addition to cellular?\u003c\/summary\u003e \u003cp\u003eYes, the ESP32 processor includes integrated WiFi (802.11 b\/g\/n) and Bluetooth 4.2 capabilities. The SIM800L provides cellular GSM\/GPRS connectivity. You can use WiFi for local connectivity and programming, while the SIM800L handles cellular communication. This dual connectivity allows fallback mechanisms where the device uses WiFi when available and switches to cellular when WiFi is unavailable.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your TTGO TCall\u0026amp;,PMU ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module Unsoldered today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy TTGO TCall PMU ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module Unsoldered Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/esp32\"\u003eESP32\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48744409792769,"sku":"TTD-11444","price":2387.97,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/2a6fe19986ada81a16297b2e90e6b7fe.jpg?v=1778073743"},{"product_id":"ttgo-tcall-sim800c-ds-v02-esp32-wifi-bluetooth-nano-card-slot-sim800c-development-board","title":"TTGO TCall \u0026 SIM800C-DS V02 ESP32 WIFI Bluetooth Nano Card Slot SIM800C Development Board","description":"\u003cp\u003ePurchase the TTGO TCall \u0026amp; SIM800C\u003c\/p\u003e\u003cp\u003eTTGO TCall \u0026amp; SIM800C-DS V02 ESP32 WIFI Bluetooth Nano Card Slot SIM800C Development Board is a Microcontroller available online in India from Tech Depot India.\u003c\/p\u003e\u003cp\u003eThe TTGO TCall \u0026amp; SIM800C-DS V02 is an integrated IoT development board combining ESP32 microcontroller with SIM800C GSM module, enabling simultaneous WIFI, Bluetooth, and cellular connectivity in a compact form factor. Professional embedded systems engineers and IoT developers use this board to build remote monitoring systems, GPS tracking devices, and cellular-enabled smart devices that require dual connectivity without external components. This board solves the critical challenge of integrating multiple wireless protocols while maintaining minimal PCB footprint and power efficiency for battery-operated applications.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eSpecification\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProduct Type\u003c\/td\u003e \u003ctd\u003eESP32 GSM Development Board with SIM800C Module\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBrand\u003c\/td\u003e \u003ctd\u003eTTGO (LilyGO)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMicrocontroller\u003c\/td\u003e \u003ctd\u003eESP32 Dual-Core 240MHz with 520KB SRAM\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eWIFI Connectivity\u003c\/td\u003e \u003ctd\u003e802.11b\/g\/n 2.4GHz with integrated antenna\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBluetooth\u003c\/td\u003e \u003ctd\u003eBluetooth 4.2 LE with integrated antenna\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCellular Module\u003c\/td\u003e \u003ctd\u003eSIM800C Quad-Band GSM\/GPRS (850\/900\/1800\/1900MHz)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSIM Card Slot\u003c\/td\u003e \u003ctd\u003eNano SIM card compatible\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePower Input\u003c\/td\u003e \u003ctd\u003eUSB Type-C 5V or 3.7-4.2V Lithium Battery\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBattery Charging\u003c\/td\u003e \u003ctd\u003eIntegrated TP4056 lithium charging circuit\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGPIO Pins\u003c\/td\u003e \u003ctd\u003e30 I\/O pins with 12-bit ADC and SPI\/I2C\/UART support\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBoard Dimensions\u003c\/td\u003e \u003ctd\u003e54 x 54 x 12mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Temperature\u003c\/td\u003e \u003ctd\u003e-40 to 85 degrees Celsius\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose TTGO TCall \u0026amp; SIM800C-DS V02 ESP32 WIFI Bluetooth Nano Card Slot SIM800C Development Board?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of TTGO TCall \u0026amp; SIM800C-DS V02 ESP32 WIFI Bluetooth Nano Card Slot SIM800C Development Board\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eDual wireless connectivity with ESP32 WIFI and Bluetooth 4.2 LE enabling simultaneous cloud connection and local device communication without additional modules\u003c\/li\u003e \u003cli\u003eIntegrated SIM800C GSM module with quad-band support providing cellular connectivity independent of WIFI availability for reliable remote communication\u003c\/li\u003e \u003cli\u003eOnboard lithium battery charging circuit with USB Type-C connector allowing portable deployment without external power management circuits\u003c\/li\u003e \u003cli\u003eNano SIM card slot supporting standard SIM cards for direct cellular network access with voice, SMS, and GPRS data capabilities\u003c\/li\u003e \u003cli\u003eOptimized power distribution with separate voltage regulators for ESP32 and SIM800C preventing voltage conflicts during high-current GSM transmission\u003c\/li\u003e \u003cli\u003e30 GPIO pins with 12-bit ADC, SPI, I2C, and UART interfaces enabling integration of sensors, displays, and external peripherals\u003c\/li\u003e \u003cli\u003eCompact 54x54mm form factor with 0.1-inch header pins supporting breadboard prototyping and custom PCB integration\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eRemote GPS tracking devices for fleet management and vehicle location monitoring using cellular GPRS data transmission with WIFI fallback for stationary updates\u003c\/li\u003e \u003cli\u003eIoT environmental monitoring stations measuring temperature, humidity, and air quality with dual transmission capability via WIFI to local gateway or cellular to cloud servers\u003c\/li\u003e \u003cli\u003eSmart home automation hubs combining WIFI connectivity for local device control with cellular backup ensuring system operation during internet outages\u003c\/li\u003e \u003cli\u003ePortable medical alert systems and personal emergency response devices utilizing cellular voice and SMS capabilities with WIFI for data logging and cloud synchronization\u003c\/li\u003e \u003cli\u003eIndustrial equipment monitoring and predictive maintenance systems transmitting sensor data via GSM to remote servers with WIFI connectivity for local diagnostics\u003c\/li\u003e \u003cli\u003eAgricultural IoT applications for soil moisture and weather monitoring in remote areas where cellular is the only available connectivity option\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eHow to Use\u003c\/h2\u003e\u003cp\u003eBegin by installing the Arduino IDE and adding the ESP32 board package via the Boards Manager. Insert a nano SIM card with active cellular plan into the SIM card slot, ensuring proper seating until you hear the click. Connect the board to your computer via USB Type-C cable and upload the example sketches from the TTGO GitHub repository. Configure the SIM800C module using AT commands through the UART interface (typically GPIO16 RX and GPIO17 TX) to establish GSM connectivity. Use the Serial Monitor to verify module initialization with commands like AT and AT+CPIN? to check SIM card status.\u003c\/p\u003e\u003cp\u003eFor WIFI connectivity, use the standard ESP32 WiFi library to scan and connect to available networks. For cellular operations, implement the TinyGSM library which provides a unified interface for GSM modules, simplifying GPRS data transmission and SMS handling. Configure power management by enabling the onboard voltage regulators and setting appropriate GPIO pins for SIM800C power control. If using battery power, monitor the battery voltage through the ADC pin and implement low-power sleep modes during idle periods. Test both WIFI and cellular connectivity separately before implementing dual-mode operation to ensure proper module initialization and network registration.\u003c\/p\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe TTGO TCall \u0026amp; SIM800C-DS V02 combines the powerful ESP32 dual-core processor with the SIM800C GSM\/GPRS module on a single development board, eliminating the need for external breakout boards or complex wiring. The ESP32 operates at 240MHz with 520KB SRAM and integrated 802.11b\/g\/n WIFI plus Bluetooth 4.2 LE, while the SIM800C module provides quad-band GSM connectivity (850\/900\/1800\/1900MHz) with integrated TCP\/IP stack. The nano card slot accepts standard SIM cards, allowing direct cellular network access for voice calls, SMS, and GPRS data transmission. This integration is achieved through UART serial communication between the ESP32 and SIM800C, with dedicated GPIO pins for power management and hardware reset control.\u003c\/p\u003e\u003cp\u003eThe V02 revision improves upon earlier versions with optimized power distribution circuitry, enhanced antenna design for better cellular signal reception, and improved thermal management for sustained operation. The board includes onboard lithium battery charging circuit with USB Type-C connector, making it ideal for portable applications. Built-in voltage regulation supports 5V USB input or 3.7-4.2V lithium battery operation, with separate power domains for ESP32 and SIM800C to prevent voltage conflicts. The compact 54x54mm form factor and 0.1-inch header pins enable rapid prototyping while maintaining professional-grade component selection and PCB layout.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eWhat is the difference between SIM800C and SIM800L modules on this board?\u003c\/summary\u003e \u003cp\u003eThe SIM800C module used in this V02 board provides improved power efficiency and better antenna design compared to the older SIM800L. The SIM800C has optimized current consumption during idle states, making it more suitable for battery-powered applications. Both support the same AT command set, but SIM800C offers superior performance in weak signal areas due to its enhanced RF frontend.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eCan I use this board with 2G cellular networks only?\u003c\/summary\u003e \u003cp\u003eYes, the SIM800C module is a 2G GSM\/GPRS module and does not support 3G or 4G LTE networks. However, most cellular providers maintain 2G networks alongside newer technologies for backward compatibility. Verify with your service provider that they still support 2G GSM in your region. If 4G capability is required, consider TTGO boards with SIM7600 or SIM7000 modules instead.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eHow do I switch between WIFI and cellular connectivity programmatically?\u003c\/summary\u003e \u003cp\u003eUse the TinyGSM library to manage both connections independently. Keep the WIFI connection active while initializing the GSM modem on separate UART pins. Implement logic to check WIFI signal strength and automatically failover to cellular GPRS when WIFI signal drops below threshold. You can transmit data via whichever connection is available or use WIFI as primary with cellular as backup for redundancy.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eWhat is the maximum current draw during GSM transmission?\u003c\/summary\u003e \u003cp\u003eThe SIM800C module can draw peak currents of 2A during GSM transmission bursts. Ensure your power supply can handle this current without voltage sag. If using battery power, a battery with minimum 2000mAh capacity is recommended to prevent brownout conditions. The onboard TP4056 charging circuit supports charging currents up to 1A for typical lithium cells.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eCan I use this board with Arduino IDE directly?\u003c\/summary\u003e \u003cp\u003eYes, the TTGO TCall board is fully compatible with Arduino IDE. Install the ESP32 board package from the Boards Manager and select TTGO T-Call or a generic ESP32 board profile. All standard Arduino libraries work with the ESP32 core. For GSM operations, install the TinyGSM library which provides Arduino-compatible functions for AT command management.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your TTGO TCall \u0026amp; SIM800C-DS V02 ESP32 WIFI Bluetooth Nano Card Slot SIM800C Development Board today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy TTGO TCall \u0026amp; SIM800C-DS V02 ESP32 WIFI Bluetooth Nano Card Slot SIM800C Development Board Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/esp32\"\u003eESP32\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48744410185985,"sku":"TTD-11450","price":2877.69,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/c15a984b4a9414d349077f107e82ecf6.jpg?v=1778073753"},{"product_id":"ttgo-tsim7000g-module-esp32-wrover-e-chip-wifi-bluetooth-18560-battery-holder-solar-charge-development-board","title":"TTGO TSIM7000G Module ESP32- WROVER-E Chip WiFi Bluetooth 18560 Battery Holder Solar Charge Development Board","description":"\u003cp\u003eTTGO TSIM7000G Module ESP32- WROVER-E Chip WiFi Bluetooth 18560 Battery Holder Solar Charge Development Board\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eWi-Fi\/BT Module\u003c\/td\u003e \u003ctd\u003eESP32-WROVER-E (includes onboard PSRAM)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCellular Modem\u003c\/td\u003e \u003ctd\u003eSIMCom SIM7000G, LTE Cat-M1\/NB-IoT (LPWAN)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePower\u003c\/td\u003e \u003ctd\u003e18650 Li-ion battery holder plus a solar-charging circuit\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhy Choose TTGO TSIM7000G Module ESP32- WROVER-E Chip WiFi Bluetooth 18560 Battery Holder Solar Charge Development Board?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of TTGO TSIM7000G Module ESP32- WROVER-E Chip WiFi Bluetooth 18560 Battery Holder Solar Charge Development Board\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eSIM7000G targets low-power-wide-area (LTE-M\/NB-IoT) connectivity rather than full broadband LTE\u003c\/li\u003e \u003cli\u003eESP32-WROVER-E adds local Wi-Fi\/Bluetooth with extra PSRAM alongside the cellular link\u003c\/li\u003e \u003cli\u003e18650 holder with solar-charging circuit supports off-grid, solar-topped-up deployments\u003c\/li\u003e \u003cli\u003eSuited to low-bandwidth, battery-critical IoT applications over LPWAN networks\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eBattery\/solar-powered LPWAN sensor deployments\u003c\/li\u003e \u003cli\u003eRemote asset and environmental monitoring outside Wi-Fi range\u003c\/li\u003e \u003cli\u003eLong-life IoT nodes trading bandwidth for battery life\u003c\/li\u003e \u003cli\u003eOff-grid agricultural and infrastructure monitoring\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e\u003csummary\u003eDo you provide a GST invoice?\u003c\/summary\u003e\u003cp\u003eYes, a GST invoice is available on every order.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo you offer bulk \/ wholesale pricing?\u003c\/summary\u003e\u003cp\u003eYes — for bulk enquiries, WhatsApp us at +91 78285 34155.\u003c\/p\u003e\u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your TTGO TSIM7000G Module ESP32- WROVER-E Chip WiFi Bluetooth 18560 Battery Holder Solar Charge Development Board today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy TTGO TSIM7000G Module ESP32- WROVER-E Chip WiFi Bluetooth 18560 Battery Holder Solar Charge Development Board Online in India\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRelated:\u003c\/strong\u003e Browse more from our \u003ca href=\"\/collections\/esp32\"\u003eESP32\u003c\/a\u003e collection, or see \u003ca href=\"\/collections\/all\"\u003eall products\u003c\/a\u003e at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48744410317057,"sku":"TTD-11453","price":6319.72,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/11cfa89378cae2ddba437fb7555c4c0f.jpg?v=1778073758"},{"product_id":"nb-iot-cat-memtc-gnss-hat-for-raspberry-pi","title":"NB-IoT \/ Cat-M(eMTC) \/ GNSS HAT for Raspberry Pi","description":"\u003cp\u003eQuality electronics from Tech Depot India, Bengaluru.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eFeature\u003c\/td\u003e \u003ctd\u003eDetails\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eType\u003c\/td\u003e \u003ctd\u003eElectronics Component\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eConnectivity\u003c\/td\u003e \u003ctd\u003eNB-IoT \/ Cat-M(eMTC) \/ GNSS\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCompatibility\u003c\/td\u003e \u003ctd\u003eRaspberry Pi HAT Standard\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003cul\u003e\n\u003cli\u003e \u003cstrong\u003eType:\u003c\/strong\u003e Electronics Component\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eConnectivity:\u003c\/strong\u003e NB-IoT \/ Cat-M(eMTC) \/ GNSS\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Raspberry Pi HAT Standard\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose NB-IoT \/ Cat-M(eMTC) \/ GNSS HAT for Raspberry Pi?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of NB-IoT \/ Cat-M(eMTC) \/ GNSS HAT for Raspberry Pi\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eMulti-Protocol Support:\u003c\/strong\u003e NB-IoT, Cat-M(eMTC), and GNSS in one module\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003ePlug-and-Play Design:\u003c\/strong\u003e Standard Raspberry Pi HAT form factor\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Optimized for battery-powered applications\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eGlobal Coverage:\u003c\/strong\u003e LTE-M and NB-IoT network compatibility\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAccurate Positioning:\u003c\/strong\u003e Integrated GNSS receiver for real-time location tracking\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003e100% authentic from trusted suppliers \u003c\/p\u003e\u003cp\u003eComprehensive documentation provided\u003c\/p\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGPS-enabled vehicle tracking systems\u003c\/li\u003e\n\u003cli\u003eRemote environmental sensors with cellular reporting\u003c\/li\u003e\n\u003cli\u003eWildlife monitoring and conservation projects\u003c\/li\u003e\n\u003cli\u003eSmart agriculture and farm management\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis NB-IoT \/ Cat-M(eMTC) \/ GNSS HAT is a professional-grade IoT connectivity module designed specifically for Raspberry Pi. It combines cellular IoT connectivity with global positioning capabilities, making it ideal for location-aware IoT applications, remote monitoring, and connected device projects.\u003c\/p\u003e\u003ch3\u003eDIY Electronics\u003c\/h3\u003e\u003cp\u003ePerfect for hobbyist IoT projects, asset tracking, and experimental prototypes with cellular connectivity.\u003c\/p\u003e\u003ch3\u003eProfessional Applications\u003c\/h3\u003e\u003cp\u003eSuitable for industrial IoT, fleet management, environmental monitoring, and commercial tracking solutions.\u003c\/p\u003e\u003ch3\u003eLearning \u0026amp; Education\u003c\/h3\u003e\u003cp\u003eGreat for students, makers, and developers learning IoT technologies and cellular communication protocols.\u003c\/p\u003e\u003ch3\u003eReal-World Use Cases\u003c\/h3\u003e\u003cul\u003e \u003cli\u003eGPS-enabled vehicle tracking systems\u003c\/li\u003e \u003cli\u003eRemote environmental sensors with cellular reporting\u003c\/li\u003e \u003cli\u003eWildlife monitoring and conservation projects\u003c\/li\u003e \u003cli\u003eSmart agriculture and farm management\u003c\/li\u003e \u003cli\u003eSupply chain and logistics tracking\u003c\/li\u003e \u003cli\u003eSmart city applications\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003cul\u003e \u003cli\u003eNB-IoT \/ Cat-M(eMTC) \/ GNSS HAT module\u003c\/li\u003e \u003cli\u003eAntenna(s) and connectors\u003c\/li\u003e \u003cli\u003eInstallation guide and quick start documentation\u003c\/li\u003e \u003cli\u003eTechnical reference materials\u003c\/li\u003e \u003cli\u003eSupport contact information\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eEvery unit is tested before shipment.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat warranty is included?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eExtended warranty options available.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eHow fast is shipping?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eExpress shipping available for urgent orders.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eDo you provide technical support?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, full technical support via email and WhatsApp reliable. Our experts can assist with setup, troubleshooting, and integration.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eAre bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing available on 10+ unit orders. Contact our sales team for custom quotes.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eIs this compatible with my Raspberry Pi model?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eThis HAT is compatible with Raspberry Pi 3B+, 4, 4B, and 5. Contact support to verify compatibility with older models.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003e\u003cstrong\u003eWhat are the network requirements?\u003c\/strong\u003e\u003c\/summary\u003e \u003cp\u003eYou'll need an active NB-IoT or LTE-M SIM card from a supported carrier. Works globally where these networks are available.\u003c\/p\u003e \u003c\/details\u003e\u003cp\u003e\u003cstrong\u003eReady to add IoT connectivity to your Raspberry Pi projects?\u003c\/strong\u003e Order now and get expert support from Tech Depot India!\u003c\/p\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your NB-IoT \/ Cat-M(eMTC) \/ GNSS HAT for Raspberry Pi today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy NB-IoT \/ Cat-M(eMTC) \/ GNSS HAT for Raspberry Pi Online in India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745298559233,"sku":"TTD-15980","price":4040.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/f9e2dac4785ffb96e4f9ad60402927c0.jpg?v=1778084264"},{"product_id":"ttgo-t-call-v1-4-esp32-sim800l-wireless-communication-module","title":"TTGO T-Call V1.4 ESP32 SIM800L Wireless Communication Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eTTGO T-Call V1.4 ESP32 SIM800L Wireless Communication Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003eTTGO T-Call V1.4 ESP32 SIM800L Wireless Communication Module is a Microcontroller available online in India from Tech Depot India.\u003c\/p\u003e\u003cp\u003eCombine the power of the ESP32 dual-core processor with cellular GSM\/GPRS connectivity in one compact board. The TTGO T-Call V1.4 integrates the SIM800L module, enabling your IoT projects to send SMS, make voice calls, and transmit data over 2G networks - no Wi-Fi required.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eMain Processor\u003c\/td\u003e \u003ctd\u003eESP32 Dual-Core 240 MHz (Xtensa LX6)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCellular Module\u003c\/td\u003e \u003ctd\u003eSIM800L Quad-Band GSM\/GPRS (850\/900\/1800\/1900 MHz)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eWi-Fi\u003c\/td\u003e \u003ctd\u003e802.11 b\/g\/n (2.4 GHz)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBluetooth\u003c\/td\u003e \u003ctd\u003eBluetooth 4.2 BLE + Classic\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFlash Memory\u003c\/td\u003e \u003ctd\u003e4 MB\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePSRAM\u003c\/td\u003e \u003ctd\u003e4 MB (HIMEM)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSIM Card Slot\u003c\/td\u003e \u003ctd\u003eNano-SIM (push-in type)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAntenna\u003c\/td\u003e \u003ctd\u003eOnboard IPEX connector for external GSM antenna (antenna included)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eUSB Interface\u003c\/td\u003e \u003ctd\u003eMicro-USB (CP2104 USB-to-Serial)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Voltage\u003c\/td\u003e \u003ctd\u003e3.3 V logic \/ 5 V USB input\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBattery Support\u003c\/td\u003e \u003ctd\u003eJST 1.25 mm connector for 3.7 V LiPo with onboard charging (IP5306 PMIC)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGPIO Pins\u003c\/td\u003e \u003ctd\u003eMultiple GPIOs broken out (I2C, SPI, UART, ADC, DAC)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBoard Version\u003c\/td\u003e \u003ctd\u003eV1.4 (improved power management over V1.3)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBoard Dimensions\u003c\/td\u003e \u003ctd\u003eApprox. 68 x 25 x 10 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProgramming\u003c\/td\u003e \u003ctd\u003eArduino IDE, PlatformIO, ESP-IDF\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal LILYGO \/ TTGO Authentic Module\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose TTGO T-Call V1.4 ESP32 SIM800L Wireless Communication Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of TTGO T-Call V1.4 ESP32 SIM800L Wireless Communication Module\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eDual Connectivity:\u003c\/strong\u003e ESP32 provides Wi-Fi and Bluetooth while the SIM800L adds cellular GSM\/GPRS, giving your project multiple communication pathways for maximum reliability.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eSMS, Voice \u0026amp; Data:\u003c\/strong\u003e Send and receive SMS messages, initiate or answer voice calls, and perform HTTP\/MQTT data transfers over the 2G cellular network using AT commands.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eImproved V1.4 Power Design:\u003c\/strong\u003e Features the IP5306 power management IC with a JST battery connector, enabling stable operation on a single 3.7 V LiPo cell with built-in USB charging.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eExternal GSM Antenna:\u003c\/strong\u003e IPEX antenna connector with included external antenna ensures strong cellular signal reception even in enclosures or remote deployments.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eFull ESP32 Capabilities:\u003c\/strong\u003e Dual-core 240 MHz processor, 4 MB flash, 4 MB PSRAM, and rich peripheral support (I2C, SPI, UART, ADC, DAC, PWM) for complex applications.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eArduino \u0026amp; PlatformIO Compatible:\u003c\/strong\u003e Extensive library support including TinyGSM, making it easy to get started with cellular IoT in minutes.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Small enough to embed in portable devices, wearables, or field-deployed sensor nodes.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAll-in-One Solution:\u003c\/strong\u003e No need to wire a separate SIM800L breakout to an ESP32 - everything is integrated, tested, and ready to program.\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eRemote IoT Without Wi-Fi:\u003c\/strong\u003e Deploy sensors, trackers, and alert systems in locations where Wi-Fi is unavailable - farms, vehicles, remote infrastructure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eGPS Vehicle Tracker:\u003c\/strong\u003e Pair with a GPS module (NEO-6M) to build a real-time vehicle tracking system that sends location coordinates via SMS or GPRS to a cloud dashboard.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRemote Weather Station:\u003c\/strong\u003e Deploy temperature, humidity, and rain sensors in agricultural fields and transmit readings\u003c\/li\u003e \u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eIs technical support available?\u003c\/summary\u003e \u003cp\u003eYes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your TTGO T-Call V1.4 ESP32 SIM800L Wireless Communication Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy TTGO T-Call V1.4 ESP32 SIM800L Wireless Communication Module Online in India\u003c\/h2\u003e\u003cp\u003eBrowse the full \u003ca href=\"\/collections\/esp32\"\u003eESP32 Boards\u003c\/a\u003e range at Tech Depot India.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746542366977,"sku":"TTD-17530","price":1717.6,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/1baa99b95b06fadaedd12a83d3d0c863.jpg?v=1778107200"},{"product_id":"ai-thinker-a9-gprs-series-module","title":"Ai Thinker A9 GPRS Series Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eAi Thinker A9 GPRS Series Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003cp\u003eThe Ai Thinker A9 GPRS Module is a compact, low-power GSM\/GPRS communication module designed for IoT, M2M, and embedded wireless applications. Built around the RDA8955 chipset, it delivers reliable 2G cellular connectivity with integrated GPS capability in an ultra-small form factor. Available at Tech Depot India, Bengaluru, with fast shipping and full technical support.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eModule\u003c\/td\u003e \u003ctd\u003eAi Thinker A9 GPRS\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eChipset\u003c\/td\u003e \u003ctd\u003eRDA8955 (32-bit RISC core)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFrequency Bands\u003c\/td\u003e \u003ctd\u003eQuad-band: GSM 850\/900\/1800\/1900 MHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eData Rates\u003c\/td\u003e \u003ctd\u003eGPRS Class 10 - DL: 85.6 kbps \/ UL: 42.8 kbps\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGPRS Features\u003c\/td\u003e \u003ctd\u003eGPRS Multi-slot Class 12, CS-1\/CS-2\/CS-3\/CS-4\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Voltage\u003c\/td\u003e \u003ctd\u003e3.3V - 4.2V (Typical 3.8V)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePower Consumption\u003c\/td\u003e \u003ctd\u003e~3mA sleep mode; ~250mA active transmission\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSIM Interface\u003c\/td\u003e \u003ctd\u003eNano SIM (1.8V \/ 3.0V)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCommunication Interface\u003c\/td\u003e \u003ctd\u003eUART, SPI, I2C, GPIO\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAudio\u003c\/td\u003e \u003ctd\u003eBuilt-in voice call support with mic and speaker interface\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSMS\u003c\/td\u003e \u003ctd\u003eText and PDU mode supported\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGPS (A9G Variant)\u003c\/td\u003e \u003ctd\u003eIntegrated GPS with antenna connector (A9G version)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProtocol Support\u003c\/td\u003e \u003ctd\u003eTCP\/UDP, HTTP, FTP, MQTT, SSL\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSDK\u003c\/td\u003e \u003ctd\u003eOpen-source GPRS C SDK (CSDK) with API support\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAntenna\u003c\/td\u003e \u003ctd\u003eExternal antenna via IPEX\/U.FL connector\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eModule Dimensions\u003c\/td\u003e \u003ctd\u003eApprox. 16.8mm x 15.7mm x 2.3mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Temperature\u003c\/td\u003e \u003ctd\u003e-30 degreesC to +80 degreesC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCertifications\u003c\/td\u003e \u003ctd\u003eCE, FCC compatible design\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eType\u003c\/td\u003e \u003ctd\u003eGSM\/GPRS Wireless Communication Module\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal Ai Thinker - 100% Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose Ai Thinker A9 GPRS Series Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of Ai Thinker A9 GPRS Series Module\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eUltra-Compact Design:\u003c\/strong\u003e One of the smallest GPRS modules available, measuring just 16.8mm x 15.7mm, ideal for space-constrained embedded designs.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eQuad-Band GSM\/GPRS:\u003c\/strong\u003e Supports 850\/900\/1800\/1900 MHz bands for worldwide 2G network compatibility across all major carriers.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Approximately 3mA in sleep mode makes it highly suitable for battery-powered IoT deployments and remote monitoring systems.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOpen-Source CSDK:\u003c\/strong\u003e Comes with a comprehensive open-source C SDK, allowing developers to write custom firmware directly on the module without an external MCU.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRich Protocol Stack:\u003c\/strong\u003e Native support for TCP, UDP, HTTP, FTP, MQTT, and SSL enables direct cloud connectivity to platforms like AWS IoT, ThingsBoard, and custom servers.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMultiple Interfaces:\u003c\/strong\u003e UART, SPI, I2C, and multiple GPIO pins provide flexible integration with sensors, displays, actuators, and microcontrollers.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eVoice \u0026amp; SMS Capable:\u003c\/strong\u003e Built-in voice call functionality with microphone\/speaker interface plus full SMS support in both text and PDU modes.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eGPS Ready (A9G):\u003c\/strong\u003e The A9G variant integrates GPS positioning alongside GPRS, enabling location tracking without additional hardware.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIndustrial Temperature Range:\u003c\/strong\u003e Operates reliably from -30 degreesC to +80 degreesC, suitable for outdoor and industrial environments.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCost-Effective Solution:\u003c\/strong\u003e Delivers cellular connectivity at a fraction of the cost of 4G\/LTE modules, perfect for applications where high bandwidth is not required.\u003c\/li\u003e \u003cli\u003eProven reliability across thousands of IoT installations in India including vehicle tracking, smart agriculture, and industrial monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eIs technical support available?\u003c\/summary\u003e \u003cp\u003eYes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your Ai Thinker A9 GPRS Series Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy Ai Thinker A9 GPRS Series Module Online in India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746564256001,"sku":"TTD-17896","price":1219.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/228185a8f49ddd033e87e192242c9e68.jpg?v=1778107699"},{"product_id":"ai-thinker-a9g-gprs-series-module","title":"Ai Thinker A9G GPRS Series Module","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eAi Thinker A9G GPRS Series Module\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eModule\u003c\/td\u003e \u003ctd\u003eAi Thinker A9G GPRS + GPS\/BDS Combo Module\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCellular Bands\u003c\/td\u003e \u003ctd\u003eDual-Band GSM\/GPRS 850\/900\/1800\/1900 MHz (Quad-Band)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGPRS Class\u003c\/td\u003e \u003ctd\u003eClass 10 - Multi-Slot Class 10 (Up to 85.6 kbps downlink)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGPS Capability\u003c\/td\u003e \u003ctd\u003eIntegrated GPS + BDS (BeiDou) dual satellite positioning\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGPS Sensitivity\u003c\/td\u003e \u003ctd\u003eTracking: -158 dBm | Cold Start: -147 dBm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGPS Accuracy\u003c\/td\u003e \u003ctd\u003e2.5 m CEP (open sky conditions)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eTTFF (Time to First Fix)\u003c\/td\u003e \u003ctd\u003eCold Start: ~32s | Warm Start: ~1s | Hot Start: ~1s\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSupply Voltage\u003c\/td\u003e \u003ctd\u003e3.3V - 4.2V (Typical 3.8V)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Temperature\u003c\/td\u003e \u003ctd\u003e-30 degreesC to +80 degreesC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCommunication Interface\u003c\/td\u003e \u003ctd\u003eUART (Serial), AT Command Set\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSIM Card\u003c\/td\u003e \u003ctd\u003eMicro SIM (2FF) support\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProtocols Supported\u003c\/td\u003e \u003ctd\u003eTCP\/UDP, HTTP, MQTT, FTP, SMS, Voice Call\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAudio\u003c\/td\u003e \u003ctd\u003eIntegrated audio interface for voice calls (MIC + Speaker)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAntenna\u003c\/td\u003e \u003ctd\u003eExternal antenna connectors for both GSM and GPS (IPX\/U.FL)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eModule Dimensions\u003c\/td\u003e \u003ctd\u003eApproximately 24.0 x 24.0 x 2.8 mm (SMD form factor)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFirmware\u003c\/td\u003e \u003ctd\u003eGPRS C SDK with open-source development support\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCertifications\u003c\/td\u003e \u003ctd\u003eCE, RoHS compliant\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal Ai Thinker - 100% Authentic\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose Ai Thinker A9G GPRS Series Module?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of Ai Thinker A9G GPRS Series Module\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eAll-in-One GSM + GPS Module:\u003c\/strong\u003e Combines GPRS cellular data and GPS\/BDS satellite positioning in a single ultra-compact chip, eliminating the need for separate modules and reducing PCB space.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eQuad-Band Global Coverage:\u003c\/strong\u003e Operates on 850\/900\/1800\/1900 MHz bands, ensuring compatibility with GSM networks across India and worldwide.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eHigh-Sensitivity GPS with BDS:\u003c\/strong\u003e Dual satellite system (GPS + BeiDou) delivers fast acquisition times and reliable positioning even in challenging environments like urban canyons.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRich Protocol Support:\u003c\/strong\u003e Built-in TCP\/UDP, HTTP, MQTT, FTP, and SMS support makes it straightforward to connect to cloud platforms like ThingsBoard, AWS IoT, Blynk, and custom servers.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Optimized sleep modes allow battery-powered deployments for weeks or months, perfect for remote asset tracking and field sensors.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOpen-Source C SDK:\u003c\/strong\u003e Ai Thinker provides a full C language SDK with GPRS and GPS APIs, enabling custom firmware development beyond basic AT commands.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eVoice \u0026amp; SMS Capable:\u003c\/strong\u003e Integrated audio codec supports voice calls and SMS messaging for alert systems, emergency devices, and two-way communication.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eUART AT Command Interface:\u003c\/strong\u003e Standard AT commands via UART make integration with Arduino, ESP32, STM32, Raspberry Pi, and other microcontrollers simple and well-documented.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCompact SMD Package:\u003c\/strong\u003e Tiny 24 x 24 mm footprint with castellated pads allows direct soldering onto custom PCBs for production-grade designs.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Industrial-grade operating range of -30 degreesC to +80 degreesC ensures reliable performance in harsh outdoor environments.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCost-effective dual functionality\u003c\/strong\u003e - one module replaces a separate GPRS modem and GPS receiver, saving cost and board space.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eProven track record\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAi Thinker A9G GPRS\/GPS Module - Dual-Band GSM with Built-In GPS\u003c\/h2\u003e\u003cp\u003eGet the Ai Thinker A9G GPRS Series Module from Tech Depot India, Bengaluru. This compact, feature-rich module combines GSM\/GPRS cellular connectivity with integrated GPS\/BDS satellite positioning in a single chip solution - ideal for IoT tracking, asset monitoring, and remote communication projects.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eIs technical support available?\u003c\/summary\u003e \u003cp\u003eYes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your Ai Thinker A9G GPRS Series Module today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy Ai Thinker A9G GPRS Series Module Online in India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746564354305,"sku":"TTD-17897","price":1219.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/e441bc58beba4da2613b22fb5687c048.jpg?v=1778107700"},{"product_id":"ai-thinker-ec-01g-kit-nb-iot-development-board","title":"Ai-Thinker EC-01G-Kit NB+IOT Development Board","description":"\u003cp\u003eLooking to buy \u003cstrong\u003eAi-Thinker EC-01G-Kit NB+IOT Development Board\u003c\/strong\u003e at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e \u003ctr\u003e \u003ctd\u003eBoard\u003c\/td\u003e \u003ctd\u003eAi-Thinker EC-01G-Kit NB-IoT Development Board\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCore Module\u003c\/td\u003e \u003ctd\u003eEC-01G (based on EC616S NB-IoT SoC)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eConnectivity\u003c\/td\u003e \u003ctd\u003eNB-IoT (Cat-NB1 \/ Cat-NB2), Band 3\/5\/8\/20\/28 (multi-band support)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProcessor\u003c\/td\u003e \u003ctd\u003eARM Cortex-M3 core\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Voltage\u003c\/td\u003e \u003ctd\u003e3.3V (onboard USB-powered via 5V input)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eUSB Interface\u003c\/td\u003e \u003ctd\u003eMicro USB \/ USB Type-C for power, programming, and serial debug\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eSIM Card Slot\u003c\/td\u003e \u003ctd\u003eNano SIM card holder (supports standard NB-IoT SIM cards)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAntenna\u003c\/td\u003e \u003ctd\u003eOnboard PCB antenna + IPEX\/U.FL connector for external antenna\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eUART Interface\u003c\/td\u003e \u003ctd\u003eAT command interface via UART for module communication\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eGPIO Pins\u003c\/td\u003e \u003ctd\u003eMultiple GPIO, ADC, I2C, SPI, and UART breakout pins\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePower Consumption\u003c\/td\u003e \u003ctd\u003eUltra-low power - PSM (Power Saving Mode) and eDRX support\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProtocol Support\u003c\/td\u003e \u003ctd\u003eCoAP, MQTT, TCP\/UDP, LwM2M, HTTP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAT Command Support\u003c\/td\u003e \u003ctd\u003eStandard 3GPP AT commands + Ai-Thinker extended AT commands\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eLED Indicators\u003c\/td\u003e \u003ctd\u003ePower LED, network status LED, user-configurable LED\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eButtons\u003c\/td\u003e \u003ctd\u003eReset button, Boot\/User button\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOperating Temperature\u003c\/td\u003e \u003ctd\u003e-40 degreesC to +85 degreesC (industrial grade)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBoard Dimensions\u003c\/td\u003e \u003ctd\u003eCompact development board form factor with breadboard-friendly pin headers\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCertifications\u003c\/td\u003e \u003ctd\u003eModule-level FCC\/CE certification (check regional availability)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eType\u003c\/td\u003e \u003ctd\u003eNB-IoT Development Board \/ Cellular IoT Kit\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eOrigin\u003c\/td\u003e \u003ctd\u003eOriginal \/ Authentic Ai-Thinker Product\u003c\/td\u003e \u003c\/tr\u003e \u003c\/table\u003e\u003ch2\u003eWhy Choose Ai-Thinker EC-01G-Kit NB+IOT Development Board?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGST Invoice\u003c\/strong\u003e - A GST invoice is included with every order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Dedicated technical help on WhatsApp and email.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePan-India Delivery\u003c\/strong\u003e - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTrusted by Makers\u003c\/strong\u003e - Used by students, hobbyists and professionals nationwide.\u003c\/p\u003e\u003ch2\u003eKey Features of Ai-Thinker EC-01G-Kit NB+IOT Development Board\u003c\/h2\u003e\u003cul\u003e \u003cli\u003e \u003cstrong\u003eNB-IoT Cellular Connectivity:\u003c\/strong\u003e Leverages narrowband IoT technology for long-range, low-power communication over licensed cellular spectrum - no Wi-Fi or gateway dependency required.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eUltra-Low Power Design:\u003c\/strong\u003e Supports PSM (Power Saving Mode) and eDRX (extended Discontinuous Reception) for battery-powered deployments lasting months to years on a single charge.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMulti-Band Support:\u003c\/strong\u003e Operates across multiple LTE bands (B3\/B5\/B8\/B20\/B28) for compatibility with major NB-IoT carriers in India and globally.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAT Command Interface:\u003c\/strong\u003e Easy-to-use AT command set over UART enables rapid prototyping - send data to cloud platforms without complex firmware development.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRich Protocol Stack:\u003c\/strong\u003e Built-in support for MQTT, CoAP, TCP, UDP, HTTP, and LwM2M allows seamless integration with popular IoT cloud platforms like AWS IoT, Azure IoT Hub, Alibaba Cloud, ThingsBoard, and more.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eOnboard USB-to-Serial:\u003c\/strong\u003e Integrated USB-to-UART bridge for direct PC connectivity - plug in, open a serial terminal, and start sending AT commands immediately.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eFlexible Antenna Options:\u003c\/strong\u003e Onboard PCB antenna for quick testing plus an IPEX connector for attaching a higher-gain external antenna in real-world deployments.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eBreadboard-Friendly Headers:\u003c\/strong\u003e Pin headers expose GPIO, ADC, I2C, SPI, and UART interfaces for easy sensor and peripheral integration.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eIndustrial Temperature Range:\u003c\/strong\u003e Rated for -40 degreesC to +85 degreesC, suitable for outdoor and harsh environment deployments.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Small, lightweight board perfect for embedding into prototypes and proof-of-concept builds.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eRapid IoT Prototyping:\u003c\/strong\u003e Get connected to NB\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAi-Thinker EC-01G-Kit NB-IoT Development Board\u003c\/h2\u003e\u003cp\u003eThe Ai-Thinker EC-01G-Kit is a feature-rich NB-IoT (Narrowband Internet of Things) development board designed for low-power, wide-area network (LPWAN) IoT applications. Built around the EC616S chipset, this kit provides reliable cellular IoT connectivity with ultra-low power consumption, making it ideal for smart metering, asset tracking, environmental monitoring, and remote sensor deployments. Available now from Tech Depot India, Bengaluru - your trusted source for authentic IoT development hardware with fast shipping and expert support.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cdetails\u003e \u003csummary\u003eIs technical support available?\u003c\/summary\u003e \u003cp\u003eYes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e \u003c\/details\u003e\u003cdetails\u003e \u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e \u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e \u003c\/details\u003e\u003ch2\u003eCustomer Support\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e techdepotindia@gmail.com\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for setup and troubleshooting help\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your Ai-Thinker EC-01G-Kit NB+IOT Development Board today and start building your next project.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eBuy Ai-Thinker EC-01G-Kit NB+IOT Development Board Online in India\u003c\/h2\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746567041281,"sku":"TTD-17937","price":1943.72,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/6e76ac29888c6a126180ea9bc417f0eb.jpg?v=1778107756"}],"url":"https:\/\/techdepot.in\/collections\/gsm-4g-lte-modules.oembed","provider":"Tech Depot India","version":"1.0","type":"link"}