RM 4in1 Multi-Protocol 2.4GHz TX Module



In stock


The RadioMaster 4IN1 external module is a multi-protocol module that integrates CC2500, NRF24L01, A7105 and CYRF6936 RF chips allowing it to work with over 70 RF protocols including FrSky, DSMX, Flysky, SFHSS, HiTec, HoTT, OMP, Radiolink, and many more! Designed for OpenTX and EdgeTX systems, the RM 4IN1 module allows the radio to connect with most mainstream protocols on the market.

Compatible with Nano & JR module bays.


  • Up to 20dBm power output
  • Compatible with more than 70 RF Protocols
  • Wireless trainer function
  • For Zorro, Boxer, TX16S MKII, TX12 MKII and more


  • Item: RM 4IN1 Module
  • Operational voltage: 4.5-8.4V
  • Operational frequency: 2.4G ISM band (2400mHz - 2483mHz)
  • RF Chipsets: CC2500, NRF24L01, A7105 and CYRF6936
  • Operational current:≈100mA
  • RF Gain: +20dBm
  • Weight: 30g (without antenna)
  • Dimension: 73*42*22mm (without antenna)

Compatible with more than 70 RF protocols

RM 4IN1 is compatible with more than 70 RF protocols, including DSMX, Flysky, SFHSS, HiTec, HoTT, OMP, Radiolink, Frsky and many more.
RM 2.4GHz 4IN1 ModuleWireless trainer function

When used in conjunction with a suitable EdgeTX or OpenTX compatible radio such as the TX16s, TX12 or Zorro the RM 4in1 module can be used as a wireless trainer link to a student radio such as another TX16s, TX12, Zorro or any other radio capable of transmitting DSMX, Frsky or Flysky protocols.

NANO & JR Adapter

The RadioMaster 4IN1 module is a nano module by default. A JR adapter is included as standard. Support Zorro, Boxer, TX16S MKII, TX12 MKII and more.

RM 2.4GHz 4IN1 Module


  • 1x RM 4IN1 Module
  • 1x JR Adapter
  • 1x Stick Antenna

Customer Reviews

Based on 5 reviews

Works great

Simple and Useful

I don't have many multi-protocol drones anymore, but after converting my boxes from 4in1 to ELRS internally, I needed the 4in1.

Andre Richardson

Quick on tracking & delivery!The RadioMaster 4in1 mutil protocol module is working great with my spektrum/dsm receivers!

Harvey Heft

After Firmware update module is awesome

Ross Rieck
Great product

Customer service is TOP NOTCH!!!!!!! Rare for a company nowadays. Be getting of my business

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