RadioMaster MT12 Surface Radio Controller with Receiver Combo - 4 in 1

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The RadioMaster MT12 is a pioneering open-source surface radio, and the first surface radio officially supported by EdgeTX, ExpressLRS, and the Multi-module project. Boasting 10 physical inputs and the capability to handle either 16 or 32 channels*, the MT12 is primed for a wide array of surface models, from cars and trucks to boats and beyond. Featuring extensive customizability and a versatile operating system, the MT12 stands out as a highly configurable surface radio, prepared to excel in virtually any scenario

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  • Available with Built-in ExpressLRS Backpack or 4in1 MPM RF modules
  • Featuring a powerful STM32F407VGT6 with 1MB Flash
  • Preinstalled EdgeTX firmware
  • QC3.0 fast charging supporting 2.0A MAX
  • Compact design with excellent ergonomics
  • Oversized battery compartment - 2 x 18650 cells or a 2s 7.4v 5000mah battery pack (Batteries not included)
  • Standard Nano module compartment
  • RadioMaster standardized button layout
  • Rotatable antenna
  • Customizable base switches or 4 way joystick included

Specification MT12

  • Item: MT12 Surface Radio
  • Physical dimensions: 177.8*118.4*207.8mm
  • Weight: 480 grams
  • Operating frequency: 2.400GHz-2.480GHz
  • Internal RF Options: 4-in-1 multi-protocol / ELRS 2.4GHz
  • Supported protocols: Module dependent
  • Operational current: 160mA for 4in1 / 320mA for ELRS
  • Operational voltage: DC 6.6-8.4V
  • Operating system: EdgeTX
  • Control channels: 16 as standard, ability for expansion 32 Channels (4in1 only)
  • Display: 128*64 Monochrome LCD
  • Battery: 2 x 18650 cells or a 2s 7.4v 5000mah battery pack (Batteries not included)
  • Charging: Built in USB-C Charging
  • Firmware Upgrade method: Via USB or SD card
  • Wheel and Trigger sensor: Hall-effect
  • Module bay: Nano size (RadioMaster Ranger Nano Module / RadioMaster RM 4in1 module / TBS Crossfire Nano module)


*32 channels requires a 4in1 radio and additional 4in1 RF module along with compatible receivers

Available with ExpressLRS and 4in1 Version

In addition to the popular internal 4-in-1 Multi-module, the MT12 is also available with an internal 2.4GHz ExpressLRS (ELRS) module. Designed to provide reliable long-distance control, super low latency, and high refresh rates. ELRS is a revolutionary open-source protocol taking the R/C industry by storm.

4 in 1 Version

One remote control all of your cars. The 4in1 internal RF system has protocols, for many popular brands of cars and receivers. 
Click here to visit the list of supported protocols

ELRS Package Includes

  • 1 * MT12 Surface Radio 4 in 1 Version
  • 1 * R85C Receiver
  • 1 * Dual Switch Expansion module
  • 1 * 4 Way Joystick Expansion module
  • 1 * Nano Adapter
  • 1 * USB-C Cable
  • 1 * Leather Lanyard
  • 1 * Custom RadioMaster signature carry case
  • 1 * 18650 Battery Tray
  • 1 * Screen Protector
  • 1 * Stickers
  • 1 * Manual
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