RadioMaster 2.4GHz RM 4IN1 Module FCC

The RadioMaster 4IN1 external module is a multi-protocol module integrating CC2500, NRF24L01, A7105, and CYRF6936 RF chips. Designed for OpenTX and EdgeTX systems, the RM 4IN1 module allows your radio transmitter to connect to most mainstream protocols on the market.

Features

Up to 20 dBm RF output power

Compatible with over 70 RF protocols

Wireless trainer function

Designed for Zorro, Boxer, TX16S MKII, TX12 MKII, and other transmitters

Specifications

Item Name: RM 4IN1 Module

Operating Voltage: 4.5–8.4V

Operating Frequency: 2.4GHz ISM band (2400MHz – 2483MHz)

RF Chipsets: CC2500, NRF24L01, A7105, CYRF6936

Operating Current: ≈100mA

RF Gain: +20dBm

Weight: 30g (without antenna)

Dimensions: 73 × 42 × 22mm (without antenna)

Protocol Compatibility

Compatible with over 70 RF protocols, including DSMX, Flysky, SFHSS, HiTec, HoTT, OMP, Radiolink, Frsky, and many others.

Wireless Trainer Function

When used with a compatible EdgeTX or OpenTX radio system (such as TX16S, TX12, or Zorro), the RM 4IN1 module can act as a wireless trainer link to connect a student transmitter.

Regional Versions

Available in standard FCC and EU LBT versions. The FCC version supports all MPM protocols, while the EU LBT version is restricted to LBT-compliant protocols (FrSky X/X2 LBT, HoTT LBT, and DSMX).

Module Form Factor

The RadioMaster 4IN1 module comes natively as a Nano module with an included JR adapter. Compatible with Zorro, Boxer, TX16S MKII, TX12 MKII, and more.

Package Contents

1 × RM 4IN1 Module

1 × JR Adapter

1 × Stick Antenna