Hey guys, it’s Wilimovich, and welcome back to my channel! Get ready for an exclusive look at the revolutionary Surface Radio Controller – RadioMaster MT12 in our exciting unboxing and testing video! Join us as we explore the features of this groundbreaking open-source surface radio, the first officially supported by EdgeTX, ExpressLRS, and the Multi-module project. It is not just a surface radio; it’s a game-changer for RC enthusiasts. With 10 physical inputs and the capability to handle either 16 or 32 channels, this radio is designed to elevate the performance of a wide array of surface rc models. From sleek cars to rugged trucks, boats, and beyond, the MT12 is ready for any RC adventure. MT12 is a highly configurable surface radio, capable of adapting to the unique demands of virtually any scenario. Whether you’re into precision driving or high-speed thrills, the MT12 is your ticket to ultimate control and customization. In this video, we’ll unbox the RadioMaster MT12, delve into its features, and put it to the test on an RC Car, the mighty Jeep Cherokee, equipped with a winch for added excitement. Don’t miss out on witnessing the potential of the MT12 as it takes control and enhances the performance of our RC adventure!
https://www.radiomasterrc.com/collections/surface-radio/products/mt12-surface-radio-controller
MT12 features:
• 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
Specification ER3C-i (Included with ExpressLRS version)
• Item: ER3C-i 2.4GHz ELRS PWM Receiver
• Power supply: DC 4.5 – 8.4V
• Antenna type: Built-in high-sensitivity ceramic antenna
• Wireless protocol: ExpressLRS 3.3.0 pre-installed
• Output channel: 3CH PWM
• Telemetry power: 10mW
• Battery voltage detection range: DC 4.0 – 35V
• Weight: 4.2 grams
• Dimensions: 26.1*18.5*13.0 mm
• Firmware: Device Category: Radiomaster 2.4Ghz / Device:
RadioMaster ER3C-i
Specification R85C (Included with 4in1 version)
• Item: R85C Receiver
• Power supply: DC 4.5 – 8.4V
• Frequency range: 2400-2483.5Mhz
• Support protocol: D8/D16/SFHSS
• Output channel: 5CH PWM
• Antenna type: high-sensitivity 2.4G antenna
• Telemetry power: 100mw / 20dbm
• Weight: 5.7 grams
• Dimensions: 31.0*18.5*13.0 mm
EdgeTX Operating System
Preinstalled with EdgeTX, the MT12 has cutting edge software fit for its class-leading hardware. RadioMaster works closely with the EdgeTX team to develop new features and optimize the user experience for surface models. We will continue to contribute and support projects like EdgeTX, ensuring the concepts of open standards are carried forward.
For more information, please visit
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