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: [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: X4 Hall-effect gimbals  (AG01 Mini compatible)
• Module Bay: JR-compatible module bay for additional modules 
• 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.

Updated MCU STM32F407

We have upgraded the main processor from STM32F207 to STM32F407.

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.

Support USB Simulator

Improved USB-C QC 3.0 Charging

Big Battery Bay

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

Expresslrs BLE JOYSTICK MODE

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

Upgraded Design 

Radio Overview

Download

• TX12 MKII Radio User Manual

Accessories

• 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

TX12 Mark II is installed with ExpressLRS as standard.

ExpressLRS is an open-source, high-performance radio control link that delivers exceptional range and low-latency communication using advanced LoRa technology. It's highly customizable and perfect for RC enthusiasts looking for reliability and efficiency.

Pair your ExpressLRS with Radiomaster's top-tier transmitters and receivers. Radiomaster products are designed to maximize the benefits of ExpressLRS, offering state-of-the-art performance for your RC adventures. Upgrade your RC experience with the unbeatable combination of ExpressLRS and Radiomaster—engineered for excellence and tailored for you.

Find out more about ExpressLRS here

TX12 Mark II is now compatible with mLRS!

The mLRS project offers an open-source, high-performance radio system based on LoRa technology, operating at 2.4 GHz, 915/868 MHz, and 433 MHz/70 cm, designed to deliver a secure, reliable, and robust link under any conditions.
mLRS is designed with MAVLink and MSP optimization in mind, while also providing a transparent serial link, making it suitable for a wide range of applications. Its design ensures the strongest possible signal integrity while maintaining a relatively high data rate, balancing performance and reliability without compromise.

Find out more about mLRS here
Visit the online mLRS Web Flasher here