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Radiomaster

2023.11.28

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.

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