{"product_id":"tecsun-pl-680-sw-mw-lw-fm-air-ssb-radio","title":"Tecsun PL-680 SW\/ MW\/ LW\/ FM\/ AIR SSB Radio","description":"\u003cmeta name=\"description\" content=\"Buy Tecsun PL-680 SW\/ MW\/ LW\/ FM\/ AIR SSB Radio 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\n\u003ch1\u003eTecsun PL-680 SW\/ MW\/ LW\/ FM\/ AIR SSB Radio\u003c\/h1\u003e\n\n\u003cp\u003eThe Tecsun PL-680 is a professional-grade portable shortwave radio receiver featuring multi-band coverage including SW, MW, LW, FM, and AIR bands with Single Sideband (SSB) demodulation capability. Radio enthusiasts, amateur radio operators, and emergency communications professionals rely on this model for its superior sensitivity and selectivity across a wide frequency spectrum from 150 kHz to 30 MHz. This radio solves the critical need for reliable long-distance signal reception in remote areas, field operations, and emergency response scenarios where conventional communication infrastructure may be unavailable.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe Tecsun PL-680 operates as a direct-conversion superheterodyne receiver with dual conversion architecture in the shortwave band, delivering exceptional adjacent-channel rejection and image frequency suppression. The radio utilizes a precision ceramic filter bank with 6 kHz bandwidth selectivity for AM mode and 2.7 kHz for SSB reception, enabling users to isolate weak signals in crowded frequency bands. The tuning mechanism employs a high-resolution digital display with 1 kHz frequency resolution, allowing precise frequency selection across all bands. The internal ferrite rod antenna provides baseline reception capability while the external antenna input accommodates long-wire or dipole antennas for extended range performance.\u003c\/p\u003e\n\n\u003cp\u003eWhat distinguishes the PL-680 from consumer-grade receivers is its implementation of SSB demodulation with selectable sideband reception, critical for monitoring amateur radio transmissions, maritime SSB communications, and aviation weather broadcasts. The radio incorporates a 3.5-inch internal speaker with 0.5W audio output and headphone jack for private listening. Power management is handled through 4 AA batteries or external 6V DC supply, providing 20-30 hours of continuous operation on alkaline batteries. The rugged ABS plastic construction with rubberized grip ensures durability in field conditions while maintaining compact dimensions of 188mm x 110mm x 32mm for portable deployment.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePortable Multi-Band SSB Radio Receiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTecsun\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003eLW: 150-279 kHz, MW: 520-1620 kHz, SW: 2.3-26.1 MHz, FM: 87.5-108 MHz, AIR: 2.3-7.6 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning Resolution\u003c\/td\u003e\n\u003ctd\u003e1 kHz digital frequency display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDemodulation Modes\u003c\/td\u003e\n\u003ctd\u003eAM, SSB (USB\/LSB), FM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e0.5 microvolts for 10dB S\/N ratio on SW bands\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelectivity\u003c\/td\u003e\n\u003ctd\u003e6 kHz (AM), 2.7 kHz (SSB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e4 x AA batteries or 6V DC external adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Life\u003c\/td\u003e\n\u003ctd\u003e20-30 hours continuous operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Output\u003c\/td\u003e\n\u003ctd\u003e0.5W internal speaker, 3.5mm headphone jack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna\u003c\/td\u003e\n\u003ctd\u003eInternal ferrite rod, external antenna input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e188mm x 110mm x 32mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 250g with batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eDual-Conversion Superheterodyne Architecture: Delivers superior image rejection and adjacent-channel selectivity essential for monitoring crowded amateur radio and maritime bands without interference\u003c\/li\u003e\n\u003cli\u003eSingle Sideband Demodulation with USB\/LSB Selection: Enables reception of SSB transmissions from amateur radio operators, aviation weather broadcasts, and maritime communications with precise frequency tuning\u003c\/li\u003e\n\u003cli\u003eMulti-Band Coverage: Comprehensive frequency range from 150 kHz to 30 MHz covers LW, MW, SW, FM, and AIR bands in a single portable device\u003c\/li\u003e\n\u003cli\u003eHigh-Resolution Digital Tuning: 1 kHz frequency resolution with digital display allows precise station identification and frequency logging for professional monitoring applications\u003c\/li\u003e\n\u003cli\u003eDual Power Options: 4 AA battery operation provides 20-30 hours of field deployment capability while 6V DC external input enables extended stationary monitoring\u003c\/li\u003e\n\u003cli\u003eCompact Portable Design: 188mm x 110mm x 32mm dimensions with rubberized grip allows deployment in emergency response vehicles, field research expeditions, and remote monitoring stations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eAmateur Radio Monitoring: Licensed radio enthusiasts use the PL-680 to monitor SSB transmissions on 40m, 20m, and 10m amateur bands with superior selectivity and sideband rejection capabilities\u003c\/li\u003e\n\u003cli\u003eMaritime and Aviation Communications: Professional mariners and aviation personnel monitor distress frequencies, weather broadcasts, and navigation beacons across international maritime and aeronautical bands\u003c\/li\u003e\n\u003cli\u003eEmergency Response Operations: Disaster management teams deploy the PL-680 to monitor emergency communications, weather alerts, and coordination frequencies in areas where cellular infrastructure is compromised\u003c\/li\u003e\n\u003cli\u003eRadio Astronomy and Signal Intelligence: Research institutions and signal monitoring professionals utilize the dual-conversion architecture for detecting weak astronomical signals and analyzing RF propagation patterns\u003c\/li\u003e\n\u003cli\u003eTravel and Field Research: Expedition teams and field researchers monitor local broadcasts, emergency alerts, and international news services across multiple frequency bands in remote locations\u003c\/li\u003e\n\u003cli\u003eShortwave Broadcasting Reception: International news organizations and language enthusiasts receive BBC, Voice of America, Deutsche Welle, and other shortwave broadcasts with consistent signal quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003cp\u003eBegin operation by inserting 4 AA alkaline batteries into the battery compartment located on the rear panel, ensuring correct polarity alignment with the internal spring contacts. Power on the radio using the main switch and allow 30 seconds for the receiver circuits to stabilize. For optimal shortwave reception, connect an external antenna to the antenna input jack; a 10-15 meter long-wire antenna strung along a window or balcony will significantly improve signal strength compared to the internal ferrite rod antenna. Use the frequency dial or digital keypad to navigate to your desired frequency, starting with known broadcast stations like BBC on 6.195 MHz or Radio Australia on 5.995 MHz to verify proper operation and antenna performance.\u003c\/p\u003e\n\n\u003cp\u003eFor SSB reception of amateur radio transmissions, first locate the band of interest using the band selector switch, then fine-tune using the main tuning control while monitoring the signal strength indicator. Select the appropriate sideband (USB or LSB) based on transmission convention for that frequency band; most amateur radio SSB transmissions on 40m and above use USB while 160m and 80m typically employ LSB. Adjust the volume control gradually while wearing headphones to identify weak signals that may not trigger the internal speaker. For extended monitoring sessions, connect the 6V DC external power adapter to eliminate battery drain and enable continuous operation for emergency communications or professional signal monitoring applications.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between SSB, USB, and LSB reception modes?\u003c\/summary\u003e\n\u003cp\u003eSingle Sideband (SSB) is a modulation technique that suppresses the carrier frequency and one sideband to conserve bandwidth and power, essential for amateur radio and maritime communications. USB (Upper Sideband) transmits the upper frequency component and is standard for amateur radio above 10 MHz and all aviation communications. LSB (Lower Sideband) transmits the lower frequency component and is used on 160m, 80m, and 40m amateur bands below 10 MHz. The PL-680 allows you to select the appropriate sideband to properly demodulate these transmissions, ensuring intelligible audio reception.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I improve shortwave reception on the Tecsun PL-680?\u003c\/summary\u003e\n\u003cp\u003eInternal ferrite rod antennas provide baseline reception but external antennas dramatically improve signal strength and clarity. Install a 10-20 meter long-wire antenna connected to the external antenna input jack, positioning it as high and as far from electrical interference as possible. Avoid routing antenna cables near power lines, computer equipment, or fluorescent lights which generate RF noise. For directional reception, orient the radio body perpendicular to the desired transmission direction, as the ferrite rod antenna exhibits directional characteristics. During nighttime hours (after sunset), shortwave propagation improves significantly due to ionospheric conditions, allowing reception of distant stations with weaker signals.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan the Tecsun PL-680 receive FM stereo broadcasts?\u003c\/summary\u003e\n\u003cp\u003eThe PL-680 receives FM band broadcasts (87.5-108 MHz) but outputs monaural audio only, not stereo. The internal 0.5W speaker and headphone output both deliver combined left and right channels as a single monaural signal. This limitation does not affect reception quality for news, weather, or emergency broadcasts, but music broadcasts will not provide stereo separation. For FM stereo reception, a dedicated FM stereo receiver would be required.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat battery type should I use and how long do they last?\u003c\/summary\u003e\n\u003cp\u003eThe PL-680 requires 4 AA batteries (alkaline, NiMH rechargeable, or lithium types are compatible). Alkaline batteries typically provide 20-30 hours of continuous operation depending on volume level, frequency band selected, and external antenna usage. Rechargeable NiMH batteries offer lower voltage per cell (1.2V vs 1.5V) resulting in slightly reduced performance but lower operating cost over time. For extended field operations exceeding 30 hours, the 6V DC external power adapter is strongly recommended to eliminate battery replacement downtime.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\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\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Tech Depot\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD,\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBuy Tecsun PL-680 SW\/ MW\/ LW\/ FM\/ AIR SSB Radio Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eTecsun PL-680 SW\/ MW\/ LW\/ FM\/ AIR SSB Radio\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48743875477761,"sku":"TES-EV02213","price":14201.88,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/tecsun_PL680-228x228.jpg?v=1778064072","url":"https:\/\/techdepot.in\/products\/tecsun-pl-680-sw-mw-lw-fm-air-ssb-radio","provider":"Tech Depot India","version":"1.0","type":"link"}