{"product_id":"geprc-linkflow-915m-expresslrs-tx-module-fpv-drone-long-range","title":"GEPRC LINKFLOW 915M ExpressLRS TX Module | Long-Range FPV","description":"\n\u003ch2\u003eGEPRC LINKFLOW 915M ExpressLRS TX Module – Long-Range FPV Control\u003c\/h2\u003e\n\u003cp\u003eTake your FPV freestyle flying and quadcopter builds to the next level with the \u003cstrong\u003eGEPRC LINKFLOW 915M TX Module\u003c\/strong\u003e. Built on the next-generation \u003cstrong\u003eExpressLRS 3.5\u003c\/strong\u003e protocol, this JR-Bay compatible transmitter module delivers exceptional range and rock-solid link stability — ideal for DIY RC enthusiasts, freestyle pilots, and long-range explorers alike.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNext-Gen ExpressLRS TX Module\u003c\/strong\u003e — Standard JR-Bay design, compatible with most popular radio transmitters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e868\/915 MHz Dual-Band Support\u003c\/strong\u003e — Up to \u003cstrong\u003e2000mW output power\u003c\/strong\u003e for maximum transmission range\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive Cooling\u003c\/strong\u003e — Built-in high-speed fan keeps the module running cool during extended sessions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTCXO Oscillator\u003c\/strong\u003e — Temperature-compensated crystal oscillator ensures stable performance across extreme temperatures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustom Moxon Antenna\u003c\/strong\u003e — Optimized for enhanced signal transmission and link integrity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Backpack Chip (ESP8285)\u003c\/strong\u003e — Enables direct peripheral connectivity for VTX control and pit mode\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDedicated UART Port\u003c\/strong\u003e — For relay setups or high-power receivers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRGB Status Indicator\u003c\/strong\u003e — Clear visual feedback on module state at a glance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Power Supply\u003c\/strong\u003e — Runs on external 2–6S LiPo power\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Firmware Updates\u003c\/strong\u003e — Update via USB or WiFi for hassle-free maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJR-Bay\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eESP32\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackpack Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eESP8285\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRF Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSX1276\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e868 \/ 915 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 2000mW\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOscillator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTCXO\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefresh Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 Hz – 200 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAntenna Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2–6S\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFirmware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLINKFLOW 900M TX\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × GEPRC LINKFLOW 915M TX Module\u003c\/li\u003e\n  \u003cli\u003e1 × 915 MHz Moxon Antenna\u003c\/li\u003e\n  \u003cli\u003e1 × GH1.25 3-pin Connection Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eFor general guidance on radio frequency equipment and safe operation, visit the FCC or review drone safety resources at FAA UAS (faa.gov). For broader hobbyist drone regulations, the CPSC consumer safety page also provides relevant product safety standards.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to different production batches, there may be minor differences in product appearance, color, or printed text. These variations do not affect functionality. Color may differ slightly from photos due to display settings. Measurement tolerance: ±1–3 cm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the GEPRC LINKFLOW 915M TX Module compatible with my radio transmitter?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the LINKFLOW 915M TX Module uses a standard JR-Bay design, making it compatible with most popular radio transmitters that accept JR-Bay external modules, including those from Radiomaster, Jumper, and similar brands.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What protocol does the LINKFLOW 915M TX Module use?\u003c\/h4\u003e\n\u003cp\u003eA: It runs on the \u003cstrong\u003eExpressLRS (ELRS) 3.5\u003c\/strong\u003e protocol over 868\/915 MHz frequencies, offering low-latency, long-range RC link performance at refresh rates between 25 Hz and 200 Hz.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I update the firmware on this TX module?\u003c\/h4\u003e\n\u003cp\u003eA: Firmware updates are straightforward — you can update via USB connection to a computer or wirelessly over WiFi using the ExpressLRS Configurator tool. The integrated ESP8285 backpack chip supports OTA (over-the-air) updates.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power source does the GEPRC LINKFLOW 915M module require?\u003c\/h4\u003e\n\u003cp\u003eA: The module runs on an external 2–6S LiPo battery supply. It does not draw power from the radio transmitter's internal battery, ensuring consistent high output power up to 2000mW.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the GEPRC LINKFLOW 915M TX Module compatible with my radio transmitter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — the LINKFLOW 915M TX Module uses a standard JR-Bay design, making it compatible with most popular radio transmitters that accept JR-Bay external modules, including those from Radiomaster, Jumper, and similar brands.\"}}, {\"@type\": \"Question\", \"name\": \"What protocol does the LINKFLOW 915M TX Module use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It runs on the ExpressLRS (ELRS) 3.5 protocol over 868\/915 MHz frequencies, offering low-latency, long-range RC link performance at refresh rates between 25 Hz and 200 Hz.\"}}, {\"@type\": \"Question\", \"name\": \"How do I update the firmware on this TX module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Firmware updates are straightforward — you can update via USB connection to a computer or wirelessly over WiFi using the ExpressLRS Configurator tool. 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