The perfect combination of size and ergonomics make the BOXER an ideal choice. Featuring full size hall effect gimbals for precision control and an intuitive button layout, the BOXER gives you a compact radio without compromising on comfort and function.

Boxer Radio Controller (M2)

Features

Available with built-in ExpressLRS Backpack or 4-in-1/CC2500 MPM RF modules
Featuring a powerful STM32F407VGT6 with 1MB Flash and 192KB RAM
Preinstalled EdgeTX firmware
Internal ELRS module capable of 1,000Hz refresh rate
QC3.0 fast charging support 2.0A MAX
Compact design with excellent ergonomics
New low-profile latching SE switch and momentary SF switch
Oversized battery compartment- Space for a 2S 6200mAh pack, up to 20-hour duration (Batteries not included)
Full sized V4.0 Hall effect gimbals as standard, upgradable to AG01 CNC Hall effect gimbals
Standard JR module compartment
Internal module cooling fan built in (ELRS version)
RadioMaster standardized button layout
Versatile programable 6-position switch
Adjustable and Removable T-shape Antenna
Industry first fabric handle for improved portability
Changeable, ergonomic grips
Redesigned SD card slot with pre-loaded SD card included
External module power slots in battery cover
RadioMaster signature carry case and gimbal protector are included as standard to ensure your radio stays safe while on the move

Specification

Item: BOXER Radio
Size: 235*178*77mm
Weight: 532.5g
Frequency: 2.400GHz-2.480GHz
Internal RF Options: CC2500 multi-protocol / 4-in-1 multi-protocol / ELRS 2.4GHz
Supported protocols: Module dependent
Voltage Range: 6.6-8.4V DC
Radio Firmware: EdgeTX (Transmitter) / Multi-Module (RF module) / ELRS
Channels: Max 16 channels (Receiver dependent)
Battery: 7.4V 2-cell Lithium-Polymer / Two 3.7V 18650 Lithium-Ion cells (batteries not included)
Display: 128*64 Monochrome LCD display
Gimbal: High precision 4.0 Hall gimbals as standard (AG01 Optional)
External module: JR/FrSKY/Crossfire compatible
Upgrade Method: USB/SD card & EdgeTX Companion PC software

EdgeTX Operating System

Preinstalled with EdgeTX, the BOXER has cutting edge software fit for its class-leading hardware. RadioMaster works closely with the EdgeTX team to develop features and optimize the user experience. We will continue to contribute and support projects like EdgeTX, ensuring the concepts of open standards are carried forward.

Available with ExpressLRS and 4in1/CC2500 Version

In addition to the popular internal 4-in-1 Multi-module (CC2500, NRF24L01, A7105 and CYRF6936) and the CC2500 only version, the BOXER is now also available with a high-power, fan cooled, default 100mW internal 2.4GHz ExpressLRS (ELRS) module. Designed to provide reliable long-distance control, minimal latency, and high refresh rates. ELRS is a revolutionary open-source protocol taking the R/C industry by storm.

FCC Version and EU LBT Version are Available

Currently, we provide the standard FCC version and the EU LBT version. Please check the supported protocols below.

Standard FCC Version

CC2500 (FCC) Version supports all CC2500 protocols
4in1 (FCC) Version supports all MPM protocols
ELRS (FCC) is pre-installed with ExpressLRS ISM FW (Max power is hardware dependant)

EU LBT Version

CC2500 LBT Version (Europe) is limited to LBT compliant protocols FrSKY X/X2 LBT & HoTT LBT
4in1 LBT Version (Europe) is limited to LBT compliant protocols FrSKY X/X2 LBT, HoTT LBT and DSMX
ELRS LBT (Europe) Version is pre-installed with ExpressLRS CE EU domain LBT FW (Limited to 100mw power output)

Powerful STM32VGT6 Processor with 1MB Flash

Boxer Radio Controller (M2)

Compact Design with Excellent Ergonomics

Boxer Radio Controller (M2)

Dimensions

Radio Overview

Download

Boxer Radio User Manual

Accessories

Package Includes

1 * BOXER Radio
1 * Signature Carry Case
1 * T Antenna
1 * USB-C Cable
1 * Gimbal Protector
1 * 1.5mm Allen Key
2 * M4*4 Screws
4 * Low Tension Springs
1 * 18650 Battery Tray
1 * Stickers
1 * Manual

Reviews of BOXER Radio

The Boxer is now compatible with mLRS!

The mLRS module provides a transparent serial link, making it suitable for a wide range of applications and configurations. Its design delivers exceptional signal integrity alongside a high data rate, striking an optimal balance between performance and reliability.

This versatile system excels in demanding setups where consistent, robust connectivity is essential—ideal for users who value quality, stability, and seamless operation across various projects.

Find out more about mLRS here

Get the mLRS flasher desktop app here

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