LINKFLOW 915M/2.4G DUAL-BAND TX Module
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Take total control of the skies with absolute confidence. Developed by the GEPRC team and built upon the legendary open-source ExpressLRS project, the GEPRC LINKFLOW Dual-Band TX Module represents the next generation of radio control links. Utilizing a standard JR bay form factor, this powerhouse module delivers rock-solid, ultra-low latency control for everything from long-range fixed-wing cruisers to high-speed freestyle quads.
Next-Gen Semtech LR1121 RF Chip
Why choose between the extreme range of 900MHz and the ultra-low latency of 2.4GHz when you can have both? At the heart of the LINKFLOW is the third-generation Semtech LR1121 RF chip. This advanced hardware natively supports both the 868/915MHz and 2.4GHz frequency bands, delivering unparalleled dual-band communication performance to suit whatever environment you are flying in.
1000mW Output & Active Cooling
Push your signal through dense band concrete or over massive mountain ranges. The LINKFLOW boasts a maximum output power of up to 1000mW (1W). To ensure your signal remains perfectly stable at these high power levels, GEPRC integrated an adjustable-speed active cooling fan to rapidly dissipate heat. Furthermore, an onboard TCXO (Temperature-Compensated Crystal Oscillator) prevents frequency drift caused by extreme temperature changes, guaranteeing a reliable link in any climate.
Endless Expandability & Backpack Support
This module is built for the power user. It features an integrated ESP32-C3 backpack chip, seamlessly linking with various VRX peripherals and expanding your functional possibilities. Need a custom setup? A reserved UART port allows the module to be utilized as a communication repeater or even configured as a high-power receiver. Plus, the external XT30 port supports a massive 2-6S battery input, ensuring your radio’s internal battery never drains prematurely during long flight sessions.
Key Features:
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Dual-Band Power: Features Semtech’s 3rd-gen LR1121 chip for 868M/915M and 2.4G operation.
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Massive Range: Pushes up to 1000mW of output power for deep signal penetration.
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Rock-Solid Stability: Onboard TCXO minimizes frequency drift in extreme hot or cold temperatures.
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Thermal Management: Active cooling via a built-in high-speed fan prevents thermal throttling.
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ExpressLRS Backpack: Integrated ESP32-C3 chip for enhanced peripheral interaction.
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Versatile UART: Reserved port allows for repeater use or high-power RX configuration.
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Universal JR Bay: Standard form factor fits Radiomaster TX16S, Boxer, and other JR bay radios.
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Easy Updates: Flash your ExpressLRS firmware wirelessly via WiFi or directly via USB.
Specifications:
| Specification | Detail |
| Model | GEPRC LINKFLOW 915M/2.4G DUAL-BAND TX Module |
| Module Bay Type | Standard JR Bay |
| Operation Bands | 915MHz (FCC), 868MHz (EU), 2.4GHz (ISM) |
| Main Chip | ESP32 |
| Backpack Chip | ESP32-C3 |
| RF Chip | Semtech LR1121 |
| Max Output Power | 1000mW (1W) |
| Refresh Rates | 50Hz – 500Hz (LoRa) / 1000Hz (FSK) |
| Oscillator | TCXO (Temperature-Compensated) |
| Antenna Connector | SMA |
| External Power Input | 2S – 6S LiPo (XT30) |
| Indicator | RGB LED |
| Weight | 60g (Without Antenna) |
What’s in the Box?
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1x GEPRC LINKFLOW 915M/2.4G DUAL-BAND TX Module
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1x 915M/2.4G Dual-Band T-Antenna
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1x GH1.25 3-Pin Cable
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1x Metal Dust Filter Mesh
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1x User Manual


























