RadioMaster 2.4GHz 4IN1 Multi-Protocol Module
£59.99 Inc. VAT
RM 4IN1 is compatible with more than 70 RF protocols!
In stock|Next shipping: 16/03/2026
The RadioMaster 4IN1 external module is a multi-protocol module that integrates CC2500, NRF24L01, A7105 and CYRF6936 RF chips. Designed for OpenTX and EdgeTX systems, the RM 4IN1 module allows the radio to connect with most mainstream protocols on the market.
Features
- Up to 20dBm power output
- Compatible with more than 70 RF Protocols
- Wireless trainer function
- For Zorro, Boxer, TX16S MKII, TX12 MKII and more
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.
FCC Version and EU LBT Version are Available
FCC Version supports all MPM protocols. EU LBT Version is limited to LBT compliant protocols FrSKY X/X2 LBT, HoTT LBT and DSMX.
Wireless 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.
- 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: 73x42x22mm (without antenna)
Included:
- 1 x RM 4IN1 Module
- 1 x JR Adapter
- 1 x Stick Antenna
Questions and answers of the customers
-
Hi! Will this work with the TX16S MKI? Cheers
-
A
Hi, yes it will.
will this work with a frsky x20r, to bind with spectrum receivers.
-
A
Hi, yes it is compatible. You might need to update the software on your radio / install a LUA script to use the module.
SHIPPING & DELIVERY
We are based in the UK and ship to most destinations worldwide.
We dispatch orders during the times shown on our Dispatch Schedule. Orders placed before the daily dispatch cutoff will ship the same day (subject to stock availability). Orders placed after the cutoff will ship on the next scheduled dispatch day.
A confirmation email is sent once your order has been packed. If you need to amend your order, please contact us as soon as possible — once shipped, we’re unable to make changes.
We work with trusted delivery partners including Royal Mail, DHL, UPS, Fedex and Parcelforce. If you have a delivery requirement or would like to arrange collection, please get in touch.
Next Dispatch: Mon 16 Mar
Please fill in the fields below with the shipping destination details in order to calculate the shipping cost.
Shipping to the UK
- Order before the daily dispatch cutoff for same day dispatch.
- FREE delivery available on qualifying orders over £99 (under 1kg).
For small, low-value orders, Royal Mail First Class is our most economical option. Royal Mail Tracked 24 is the most popular choice, offering full tracking and flexible delivery options. For guaranteed next working day delivery, we recommend Royal Mail Special Delivery.
Royal Mail delivers to residential addresses Monday to Saturday, while courier services (including DHL) typically deliver Monday to Friday.
International Postage
- USA orders: Import duties and taxes are prepaid by us — no additional customs charges on delivery.
- Other destinations: Customs duties or import taxes may apply and are the responsibility of the recipient.
Smaller, lower-value orders may be sent via Airmail or tracked postal services. Economy road and express air courier options are available depending on destination. For faster delivery, we recommend express air courier services such as DHL Express, which typically deliver within 1–2 working days across Europe and a few working days for most other destinations.
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