Next-Generation Dual-Band ExpressLRS Transmitter Module Developed by the GEPRC team based on the open-source ExpressLRS project, the LINKFLOW 915M/2.4G DUAL-BAND TX Module delivers advanced dual-band communication performance. Built around the Semtech third-generation LR1121 RF chip and featuring up to 1000mW output power, TCXO stability, and active cooling, this JR bay module is the ultimate choice for long-range and mission-critical FPV pilots.
Features
Next-gen ExpressLRS TX module that features a standard JR bay design
Built on Semtech’s third-generation LR1121 RF chip
Supports 868M/915M, 2.4G operating mode
Up to 1000 mW output power
Active cooling with a built-in high-speed fan
Equipped with a temperature-compensated crystal oscillator (TCXO) for stable performance in extreme temperatures
Integrated backpack chip for enhanced peripheral interaction
Reserved UART port for repeater use or high-power receiver configuration
Long-Range Ready – 1000mW power ensures reliable control at extreme distances
Frequency Stability – TCXO maintains precision across temperature variations
Thermal Management – Active cooling sustains high-power output
Versatile Configuration – Repeater mode or high-power receiver options
Applications
Long-Range FPV – Fixed-wing and quadcopter exploration
Mission-Critical Operations – Search and rescue, industrial inspection
High-Interference Environments – Dual-band redundancy for reliable link
Extreme Weather Flying – TCXO stability for temperature-variable conditions
Why Choose LINKFLOW?
✅ True Dual-Band – Seamless switching between 915M and 2.4G ✅ Maximum Power – 1000mW for unbeatable range ✅ Thermal Excellence – Active cooling prevents thermal throttling ✅ Future-Proof – Backpack chip and UART for expanded capabilities ✅ Open-Source Backed – Built on ExpressLRS ecosystem