The Mighty, Mini TX12MKII radio has arrived!

Many years ago, RadioMaster set out to create the very best compact radio in its class. The TX12 has become the go-to product for users who seek a powerful, dependable, and endlessly upgradable open-source radio in a small form factor.

Working with the R/C community and open-source partners, RadioMaster proudly presents the TX12 MKII, a class-leading compact radio, with updated ergonomics, hardware, and software.

Click to know more about the TX12 series: RadioMaster TX12 and TX12 Mark II Radio Comparison Chart.

Launch Video

Features

Added ExpressLRS Backpack support
Updated main board design from STM32F207 to STM32F407
Improved USB-C QC 3.0 Charging
Precision hall-effect gimbals as standard
EdgeTX operating system installed from the factory
Updated rear case with comfortable grips
Improved S1 / S2 slider grip
SD Card included
Provide M1 and M2 modes

Specification

Item: TX12 Mark II Radio
Size: 170*159*108mm
Weight: 363g
Frequency: 2.400GHZ-2.480GHZ
RF Chip: ExpressLRS (ELRS) / CC2500
Working Current: 320mA@8.4V (ELRS) / 180mA@8.4V (CC2500)
Voltage Range: 6.6-8.4v DC
Radio Firmware: EdgeTX (Transmitter) / ExpressLRS (RF module) / MPM (RF module)
Channels: Up to 16 (depending on the receiver)
Display: 128*64 Monochrome LCD display
Gimbal: High precision hall gimbals
External module: JR/FrSKY/Crossfire compatible
Upgrade Method: USB/SD card & EdgeTX Buddy online or EdgeTX Companion PC software
USB Charging: QC3 USB-C
SD Card: Included

EdgeTX Operating System

Preinstalled with EdgeTX, the RadioMaster TX12 MKII has cutting-edge software that is constantly evolving and improving. 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. TX12 Mark II Radio Controller

Updated MCU STM32F407

We have upgraded the main processor from STM32F207 to STM32F407. TX12 Mark II Radio Controller

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
ELRS (FCC) is pre-installed witn 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
ELRS LBT (Europe) Version is pre-installed with ExpressLRS CE EU domain LBT FW (Limited to 100mw power output)

New Hall Gimbals

With Hall Gimbals, the same chipset as the AG01, optimized hall sensor circuitry, improves center point positioning and temperature stability. TX12 Mark II Radio Controller

Support USB Simulator

TX12 Mark II Radio Controller

Improved USB-C QC 3.0 Charging

TX12 Mark II Radio Controller

Big Battery Bay

Allows for dual 18650 or dual 21700 Li-ion cells, or 2S Lipo up to 74×60×22mm.
TX12 Mark II Radio Controller

Expresslrs BLE JOYSTICK MODE

Allows for Bluetooth connection to PCs, tablets and phones with BLUETOOTH function to play simulators and games.
* ELRS version only.

EXPRESSLRS BLE JOYSTICK MODE

Upgraded Design

TX12 Mark II Radio Controller

Radio Overview

TX12 Mark II Radio Controller

Download

TX12 MKII Radio User Manual

Accessories

Package Includes

1 * TX12 Mark II Radio Controller
1 * Antenna
1 * USB-C Cable
1 * Quick Start Guide
1 * Sticker

TX12 Mark II Radio Controller

The TX12 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

TX12 Mark II

TX12 Mark II Radio Controller (M2)