Radiomaster MT12 Surface FPV FCC Transmitter Radio Controller for Drone RC Car Boat

RadioMaster MT12: The Ultimate Open-Source Surface Radio! 🚀

Meet the RadioMaster MT12, the first surface radio officially backed by EdgeTX, ExpressLRS, and the Multi-module project. With 10 physical inputs and support for up to 32 channels*, it’s perfect for any RC surface model—cars, trucks, boats, and more. Fully customizable with a powerful open-source system, the MT12 lets you take control like never before. Whether you’re racing, bashing, or sailing, this radio is built to dominate every scenario.

Features

Available with built-in ExpressLRS 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

Batteries can't be shipped separately, please purchase batteries with Radio units.

5000MAH battery：

• Item: 21700 5000mAh Battery 
• Capacity: 5000mAh
• Watt Hours: 37wh
• Voltage: 7.4V
• Cells: 2 x 21700 Li-ion 3.7V 18.5Wh
• Connector: JST-XH and XT30
• Charge current: Max 2A
• Dimensions: 71.5 x 43.5 x 23.5 mm
• Weight: 155g
  

The 18650 battery capacity has been upgraded to a higher 3200mAh for worry-free flights and no battery anxiety.