{"product_id":"sim900a-gsm-gprs-module-with-rs232-interface-and-sma-antenna","title":"SIM900A GSM GPRS Module with RS232 Interface and SMA Antenna","description":"\u003cmeta name=\"description\" content=\"Buy SIM900A GSM GPRS Module with RS232 Interface and SMA Antenna online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003eSIM900A GSM GPRS Module with RS232 Interface and SMA Antenna\u003c\/h1\u003e\n\u003cp\u003eAdd reliable GSM\/GPRS cellular connectivity to your projects with the SIM900A module featuring a convenient RS232 serial interface and SMA antenna connector. Available at The Tech Depot, Bengaluru - your trusted source for communication modules with fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Chipset\u003c\/td\u003e\n\u003ctd\u003eSIMCom SIM900A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Support\u003c\/td\u003e\n\u003ctd\u003eDual-Band GSM\/GPRS 900\/1800 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPRS Class\u003c\/td\u003e\n\u003ctd\u003eClass 10 (Multi-Slot Class 10\/8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPRS Data Rate\u003c\/td\u003e\n\u003ctd\u003eUp to 85.6 kbps (downlink\/uplink)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eRS232 (DB9 connector) with level shifting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna Connector\u003c\/td\u003e\n\u003ctd\u003eSMA Female (external antenna included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSIM Card Slot\u003c\/td\u003e\n\u003ctd\u003eStandard SIM (2FF) card holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC (onboard voltage regulator)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Input\u003c\/td\u003e\n\u003ctd\u003eDC power jack \/ header pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Current Consumption\u003c\/td\u003e\n\u003ctd\u003e~2A during transmission bursts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIdle Current\u003c\/td\u003e\n\u003ctd\u003e~15 mA (sleep mode available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAT Command Support\u003c\/td\u003e\n\u003ctd\u003eStandard GSM 07.07 \u0026amp; 07.05 AT commands\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice Capability\u003c\/td\u003e\n\u003ctd\u003eYes - supports voice calls via microphone\/speaker pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSMS Support\u003c\/td\u003e\n\u003ctd\u003eText and PDU mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDTMF Support\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTCP\/IP Stack\u003c\/td\u003e\n\u003ctd\u003eEmbedded TCP\/UDP\/HTTP\/FTP protocols\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indicators\u003c\/td\u003e\n\u003ctd\u003ePower LED, Network Status LED, Ring Indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-30 degreesC to +80 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 75 x 55 x 15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eGSM\/GPRS Communication Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal SIMCom SIM900A IC \/ Authentic Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSIM900A Quad-Band Chipset:\u003c\/strong\u003e Industry-proven SIMCom module optimized for 900\/1800 MHz bands widely used across India and Asia-Pacific regions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRS232 Serial Interface:\u003c\/strong\u003e Onboard MAX232 level shifter with DB9 connector allows direct connection to PCs, industrial PLCs, and legacy serial equipment without additional converters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSMA Antenna Connector:\u003c\/strong\u003e Standard SMA female jack with included external antenna ensures strong, reliable signal reception even in indoor or embedded installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Voice, SMS \u0026amp; Data:\u003c\/strong\u003e Supports voice calls, SMS messaging (text and PDU), GPRS data, and embedded TCP\/IP stack for comprehensive cellular communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmbedded TCP\/IP Protocols:\u003c\/strong\u003e Built-in TCP, UDP, HTTP, and FTP support enables direct internet connectivity for IoT applications without requiring an external protocol stack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT Command Driven:\u003c\/strong\u003e Fully controlled via standard GSM AT commands, making it easy to integrate with any microcontroller, single-board computer, or PC terminal software.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard Power Management:\u003c\/strong\u003e Includes voltage regulation circuitry to handle the SIM900A's peak 2A current demands, with a convenient DC power jack input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Status Indicators:\u003c\/strong\u003e Dedicated LEDs for power, network registration status, and ring indication provide instant visual feedback on module state.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard SIM Slot:\u003c\/strong\u003e Push-in SIM card holder accepts any standard-size SIM card from major Indian telecom operators (Airtel, Jio 2G, Vi, BSNL, etc.).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Mountable:\u003c\/strong\u003e Board-level module with mounting holes for easy integration into enclosures, control panels, and prototype setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This SIM900A Module?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play RS232:\u003c\/strong\u003e Unlike bare SIM900A modules that require TTL-level interfacing and custom wiring, this board comes with built-in RS232 level conversion - connect directly to your PC's COM port or any RS232 device and start communicating immediately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven \u0026amp; Reliable Chipset:\u003c\/strong\u003e The SIM900A is one of the most widely deployed GSM modules globally, with extensive documentation, community support, and field-proven reliability across millions of installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Authentic Components:\u003c\/strong\u003e Genuine SIMCom SIM900A IC sourced from authorized distributors - no clones or refurbished chips that cause intermittent connectivity issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Ready-to-Use Package:\u003c\/strong\u003e Module ships with SMA antenna included, so you have everything needed to get cellular connectivity working out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy SIM900A GSM GPRS Module with RS232 Interface and SMA Antenna Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eSIM900A GSM GPRS Module with RS232 Interface and SMA Antenna\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eSIM900A GSM GPRS Module with RS232 Interface and SMA Antenna\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eSIM900A GSM GPRS Module with RS232 Interface and SMA Antenna\u003c\/strong\u003e at the best price in India? The Tech Depot 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","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746527490305,"sku":"TTD-17296","price":1036.68,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/91f6b7ab56b53d0d5953e078d074b512.png?v=1778106875","url":"https:\/\/techdepot.in\/products\/sim900a-gsm-gprs-module-with-rs232-interface-and-sma-antenna","provider":"Tech Depot India","version":"1.0","type":"link"}