RadioMaster manufactures high-performance radio control transmitters, receivers, and modules for RC hobbyists, featuring OpenTX, EdgeTX, and ExpressLRS compatibility.
RadioMaster is a team of radio control model enthusiasts dedicated to developing innovative RC equipment for hobbyists worldwide. Best known for the acclaimed TX16S transmitter, the brand specializes in open-source compatible radios that support EdgeTX and OpenTX operating systems.
Their product lineup extends to compact transmitters like the Zorro, Boxer, and Pocket, as well as high-performance RF modules and receivers utilizing the ExpressLRS (ELRS) protocol for long-range, low-latency control.
Driven by community feedback, RadioMaster integrates premium features such as Hall effect gimbals and multi-protocol support into affordable hardware. Whether for FPV drones, fixed-wing aircraft, or surface models, RadioMaster provides reliable control solutions supported by frequent firmware updates and a robust accessory ecosystem.
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Solder an SBUS receiver to the module (Black: GND, Red: +, Yellow: Signal), insert the module into the instructor's radio, and set the Trainer mode to Master/SBUS. The student radio generally keeps Trainer set to OFF and binds to the module's receiver.
It is recommended to use the latest version of EdgeTX for transmitters and the latest ExpressLRS firmware for ELRS modules and receivers to ensure compatibility and optimal performance.
You can bind using the ExpressLRS Lua script on your radio by pressing 'Bind', or use the traditional method by power cycling the receiver three times until the LED does a quick double blink.
Most RadioMaster modules like the Ranger and Bandit series support a DC input voltage of 6V to 16.8V via the XT30 connector.