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 ten physical inputs and the capability to handle 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. Package Includes: 1x MT12 ELRS 1x Carry Case 1x Lanyard 1x Battery Bay 1x Manual 1x Assorted Accessory Set 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 Specifications: 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 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 https://edgetx.org/ ExpressLRS VERSIONExpressLRS supports ultra-fast response modes for seat of your pants racing or super long range modes for pushing the limits of your adventures.For more information, please visit www.expresslrs.org Dimensions Radio Overview