RadioMaster TX12 Mark II Radio Controller


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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 pilots 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




  • 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


  • Item: TX12 Mark II¬†Radio¬†
  • Size: 170*159*108mm
  • Weight: 363g
  • Frequency: 2.400GHZ-2.480GHZ
  • RF Chip: ExpressLRS (ELRS) / CC2500
  • Working Current: [email protected]¬†(ELRS) / [email protected] (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. EDGETX AND OPENTX SUPPORT RapioL TASUER

Updated MCU STM32F407

We have upgraded the main processor from STM32F207 to STM32F407.Main processor upgraded from STM3ZF207 to STM32F4O7 Rai

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. NEW HALL GIMBALS Adjustable without disassembly Min. 38

Support USB Simulator

Data TRS 3.Sirim USB-C Port Trainer Socket asn 3sSUPPORTS USB SIMULATORS KaLN NASER TXiz Ea

Improved USB-C QC 3.0 Charging

the Mighty, Mini TX12MKII radio has arrived

Big Battery Bay

Allows for dual 18650 or dual 21700 Li-ion cells, or 2S Lipo up to 74√ó60√ó22mm.
Please check the supported protocols below


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

EXPRESSLRS BLE JOYSTICK MODE Allows for Bluetooth connection

Upgraded Design 

Rear case improved with ERGONOMIC GRIMPROVED S1 52 SLIDER GRIP

Radio Overview

TX12 MKII Quick Start Guide

Antenna Handel Trainer Pont TYPE-C USB Position Position 159


  • RP1 ExpressLRS 2.4ghz Nano Receiver
  • RP2 ExpressLRS 2.4ghz Nano Receiver
  • UFL 2.4Ghz T Antenna 65mm/95mm
  • 18650 Battery 2500mAh 3.7V (2pcs)
  • 21700 5000mAh Battery
  • AG01 MINI CNC Hall Gimbals
  • Sticky360 Mini Gimbal Stick Ends¬†

Package Includes

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

RadioMaster TX12 Mark II Radio Controller

Additional information


CC2500, ELRS






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