The Mighty, Mini Radio – Evolved

The RadioMaster TX12 Mark II is the next-generation compact FPV radio controller designed for pilots who demand portability without compromising performance. Building upon the legendary TX12 platform, the Mark II version delivers significant hardware and software upgrades, making it the go-to choice for both beginners and seasoned FPV enthusiasts seeking a powerful, dependable, and endlessly upgradable open-source radio in a compact form factor.

Two Protocol Versions to Match Your Needs

Choose the version that best fits your flying style:

ExpressLRS (ELRS) 2.4GHz Version

• Built-in ExpressLRS internal module for exceptional long-range performance and ultra-low latency.

• Utilizes advanced LoRa technology for superior penetration and interference rejection.

• Features BLE (Bluetooth Low Energy) Joystick Mode for wireless simulator connection to PCs, tablets, and phones without additional dongles.

CC2500 Multi-Protocol Version

• Versatile CC2500 internal module supporting a wide range of protocols including FrSky D8/D16 (excluding ACCESS, TD, Twin), Futaba S-FHSS, Hitec, Radiolink, and more.

• Ideal for pilots who fly multiple aircraft with different receiver brands.

Power & Performance Upgrades

At the heart of the TX12 Mark II lies the upgraded STM32F407 main processor, replacing the previous STM32F207 for faster performance and smoother system operation. Both versions deliver:

• Frequency: 2.400GHz – 2.480GHz

• Transmitting Power: 20dBm with 2dBi antenna gain

• Range: >2km (dependent on receiver)

• Channels: Up to 16 (receiver-dependent)

• Working Current: 320mA @ 8.4V (ELRS) / 180mA @ 8.4V (CC2500)

• Voltage Range: 6.6V – 8.4V DC

EdgeTX Operating System – Factory Installed

Preinstalled with EdgeTX, the TX12 Mark II offers cutting-edge open-source firmware that is constantly evolving and improving. RadioMaster works closely with the EdgeTX team to develop features and optimize the user experience, ensuring you always have access to the latest advancements in open-source radio control.

Key Software Features:

• Responsive, intuitive user interface with quick-access menus

• Deep customization options for advanced pilots

• Full compatibility with OpenTX for seamless transition

• Support for EdgeTX Buddy online updates and EdgeTX Companion PC software

Precision Hall-Effect Gimbals

Standard-equipped with high-precision hall-effect gimbals, the TX12 Mark II delivers smooth, accurate stick control with improved center-point positioning and temperature stability. The adjustable travel angle (38°–54°) allows pilots to fine-tune gimbal response to match racing agility or smooth freestyle/cinematic needs.

Modern Connectivity & Expandability

• USB-C with QC 3.0 fast charging for convenient power-up

• JR/FrSky/Crossfire compatible external module bay for advanced expansion options, including TBS Crossfire and other long-range systems

• USB/SD Card firmware upgrade for easy updates

• Supports USB simulator for FPV training

Long-Lasting Power

The spacious battery bay accommodates dual 18650 or 21700 Li-ion cells, or a 2S LiPo battery up to 74×60×22mm, providing extended operational time for long flying sessions.

Package Includes

• 1× TX12 Mark II Radio Controller

• 1× Antenna

• 1× USB-C Cable

• 1× Quick Start Guide

• 1× RadioMaster Sticker

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Specifications at a Glance

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Batteries not included. Mode 1 and Mode 2 options available.