RadioMaster RM 4IN1 External Multi-Protocol Module
Available now at Aerobertics
The RadioMaster RM 4IN1 external module is a powerful multi-protocol RF module that integrates CC2500, NRF24L01, A7105, and CYRF6936 chipsets, enabling your radio to connect with most mainstream protocols on the market. Designed for OpenTX and EdgeTX systems, this module brings unmatched flexibility and compatibility to your RC setup.
Whether you fly airplanes, helicopters, drones, or cars, the RM 4IN1 ensures reliable control across a wide range of devices and protocols, making it a must-have for every RC pilot seeking versatility and performance.
Key Features
- Up to 20dBm output power for strong and stable connections
- Compatible with over 70 RF protocols, including DSMX, Flysky, SFHSS, HiTec, HoTT, OMP, Radiolink, Frsky, and more
- Wireless trainer function – link your student radio wirelessly for DSMX, Flysky, or Frsky training
- Nano module form factor with JR adapter included for flexible installation
- Designed for popular radios such as Zorro, Boxer, TX16S MKII/MKIII, TX12 MKII, and more
Specifications
- Operational Voltage: 4.5–8.4V
- Frequency: 2.4 GHz ISM band (2400–2483 MHz)
- RF Chipsets: CC2500, NRF24L01, A7105, CYRF6936
- Operational Current: ≈100mA
- RF Gain: +20dBm
- Weight: 30g (without antenna)
- Dimensions: 73 × 42 × 22 mm (without antenna)
- EU LBT Version: Limited to LBT-compliant protocols (FrSKY X/X2 LBT, HoTT LBT, DSMX)
Wireless Trainer Function
The RM 4IN1 module supports wireless trainer mode when paired with a compatible EdgeTX or OpenTX radio such as TX16S, TX12, or Zorro. It allows a student radio to connect seamlessly for hands-on learning with DSMX, Frsky, or Flysky protocols.
Package Includes
- 1 × RM 4IN1 Module
- 1 × JR Adapter
- 1 × Stick Antenna
Why Choose the RM 4IN1
With its multi-protocol compatibility, strong 20dBm output, and wireless trainer support, the RadioMaster RM 4IN1 offers unmatched flexibility and performance for any RC enthusiast. Perfect for pilots and racers who need one module to rule them all—available exclusively at Aerobertics.
