{"product_id":"geprc-linkflow-915m-expresslrs-tx-module-fpv-drone","title":"GEPRC LINKFLOW 915M ExpressLRS TX Module – FPV Drone Part","description":"\n\u003ch2\u003eGEPRC LINKFLOW 915M ExpressLRS TX Module – Long-Range FPV Control\u003c\/h2\u003e\n\u003cp\u003eTake your FPV freestyle and long-range drone builds to the next level with the \u003cstrong\u003eGEPRC LINKFLOW 915M TX Module\u003c\/strong\u003e. Engineered for the next generation of ExpressLRS (ELRS) pilots, this JR-Bay TX module delivers rock-solid 915MHz control with up to \u003cstrong\u003e2000mW of output power\u003c\/strong\u003e — making it one of the most capable long-range radio modules available for DIY RC quadcopter and FPV freestyle builds.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the GEPRC LINKFLOW 915M TX Module?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNext-Gen ExpressLRS 3.x Compatible:\u003c\/strong\u003e Standard JR-Bay design fits most popular radio transmitters on the market.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e868\/915MHz Dual-Band Support:\u003c\/strong\u003e Up to 2000mW output power for exceptional link range and signal penetration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActive Cooling System:\u003c\/strong\u003e Built-in high-speed fan keeps the module running cool even at maximum power output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTCXO Oscillator:\u003c\/strong\u003e Temperature-compensated crystal oscillator ensures stable, drift-free performance in extreme weather and altitude conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustom Moxon Antenna:\u003c\/strong\u003e Included 915MHz Moxon antenna provides enhanced, directional signal transmission for improved link quality.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Backpack Chip (ESP8285):\u003c\/strong\u003e Enables direct peripheral connectivity without extra hardware.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDedicated UART Port:\u003c\/strong\u003e Ideal for relay setups or connecting high-power receivers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Power Input:\u003c\/strong\u003e Runs on external 2–6S LiPo power supply.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRGB Status Indicator:\u003c\/strong\u003e Instantly see your module's link and power status at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Firmware Updates:\u003c\/strong\u003e Update via USB or WiFi with no special tools required.\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\u003e25Hz – 200Hz\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    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× GEPRC LINKFLOW 915M TX Module\u003c\/li\u003e\n  \u003cli\u003e1× 915MHz 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\u003eNote: Due to production batch variations, minor differences in appearance, color, or printed text may occur and will not affect performance or functionality. Measurement tolerance: ±1–3cm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eLearn More About FPV Drone Radio Systems\u003c\/h3\u003e\n\u003cp\u003eFor guidance on safe operation of radio-controlled aircraft and drone regulations, visit the FAA Unmanned Aircraft Systems (UAS) resource page. For electronics safety standards relevant to RF transmitting devices, refer to the FCC — though for authoritative consumer safety guidance, CPSC.gov offers resources on electronic product safety.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the GEPRC LINKFLOW 915M TX Module compatible with ExpressLRS 3.x firmware?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The GEPRC LINKFLOW 915M TX Module is designed specifically for ExpressLRS 3.x (ELRS) and runs the LINKFLOW 900M TX firmware. It uses the standard JR-Bay form factor, making it compatible with most popular radio transmitters that support external JR modules.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum transmission power of the LINKFLOW 915M TX Module?\u003c\/h4\u003e\n\u003cp\u003eA: The module supports up to 2000mW (2W) of output power on the 868\/915MHz frequency band, enabling long-range FPV flights with a strong, stable control link even in challenging RF environments.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I update the firmware on the GEPRC LINKFLOW 915M TX Module?\u003c\/h4\u003e\n\u003cp\u003eA: Firmware updates are straightforward — you can update via USB connection to your computer or wirelessly over WiFi using the integrated backpack chip (ESP8285). No soldering or special tools are required.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power supply does the GEPRC LINKFLOW 915M TX Module require?\u003c\/h4\u003e\n\u003cp\u003eA: The module operates on an external 2–6S LiPo power supply, giving you flexibility to power it from your quad's battery or a dedicated ground station power source.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the module come with an antenna?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The package includes one 915MHz custom Moxon antenna designed to provide enhanced signal transmission and improved link quality for your FPV drone flights.\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 ExpressLRS 3.x firmware?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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