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RadioMaster MT12 4-in-1 16-Channel 2.4GHz Radio System w/R85C Receiver

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RadioMaster MT12 4-in-1 16-Channel 2.4GHz Radio System w/R85C Receiver

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MT12 16-Channel Surface Radio System

The RadioMaster MT12 16-Channel 2.4GHz Radio System is a total game-changer in the remote control world! It's not just any surface radio; it's the first one officially backed by EdgeTX, ExpressLRS, and the Multi-module project. This bad boy packs in 10 physical inputs and can handle 16 or even up to 32 channels*! From cars to trucks and boats, it's ready for any model you throw its way. What sets it apart? You can tweak it to your heart's content! Seriously, this thing's customizable in ways you've never seen in a surface radio before.

The MT12 comes loaded with EdgeTX, which is one of the most up to date and customizable software's available. Additionally the EdgeTX team is constantly pumping out updates giving you even more functionality making this transmitter futureproof like abilities. Available in two options this transmitter comes pre-equipped with an internal 2.4GHz ExpressLRS (ELRS) module for long-range control with lightning-fast response times or the 4-in-1 version, allowing you to control all your rides with different protocols. It's like the universal remote of RC cars!

The MT12 from RadioMaster isn't your run-of-the-mill surface radio. It's changing the game, giving you the power to fine-tune and control your models like never before. Backed by cutting-edge collaborations and a customizable setup, it's the new benchmark in controller tech, and it's all about bringing your RC game to a whole new level.

Features:

  • Open-Source Compatibility: Supported by EdgeTX, ExpressLRS, and the Multi-module project
  • Customizable Configurations: Adaptable for a wide range of surface models, offering 16 or expandable to 32 channels*
  • EdgeTX Firmware: Preinstalled cutting-edge software designed for surface models
  • Internal RF Options: Available with either a 4-in-1 multi-protocol module or ELRS 2.4GHz module for long-distance, low-latency control
  • Powerful Hardware: Equipped with an STM32F407VGT6 with 1MB Flash for enhanced performance
  • Compact and Ergonomic Design: Compact build with excellent ergonomics and a rotatable antenna for convenience
  • Battery Compatibility: Oversized compartment accommodates 2x18650 cells or a 2S 7.4v 5000mAh battery pack
  • Adjustability: Trigger and Wheel feature adjustable tension and positions
  • Hall Sensors: Contactless Hall Sensors combined with ball bearings provide precision control and virtually zero maintenance.
  • 10 Physical Inputs: Provides an incredible amount of control options ideal for almost any surface vehicle application
  • RGB Lighting: Customizable RGB LED lighting makes your radio stand apart in style!

Specifications:

    • MT12 Transmitter:
      • Dimensions (LxWxH): 177.8x118.4x207.8mm
      • Weight: 480g
      • 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 4-in-1 / 320mA for ELRS
      • Operational Voltage: DC 6.6-8.4V
      • Operating System: EdgeTX
      • Channels: 16 as standard, ability for expansion 32 Channels (4-in-1 only)
      • Display: 128x64 Monochrome LCD
      • Battery: 2x18650 cells or a 2S 7.4v 5000mAh battery pack
      • 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 4-in-1 module / TBS Crossfire Nano module)
    • R85C Receiver:
      • Power Supply: DC 4.5-8.4V
      • Antenna Type: High-sensitivity 2.4G antenna
      • Frequency Range: 2400-2483.5Mhz
      • Wireless Protocol: D8/D16/SFHSS
      • Output Channel: 5CH PWM
      • Telemetry Power: 100mW/20dbm
      • Weight: 5.7g
      • Dimensions (LxWxH): 31.0x18.5x13.0mm

Includes:

  • (1) MT12 Surface Radio 4-in1 Version with:
    • (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
  • (1) R85C Receiver

Needed To Complete:

  • (2) 18650 Cells or a 2S 7.4v 5000mAh Battery Pack

This product was added to our catalog on February 9, 2024

Gabriel Baird
Saturday, Jan 13 2024 (11 months ago)
RadioMaster MT12 4-in-1 16-Channel 2.4GHz Radio System w/R85C Receiver
This radio is AMAZING!!

I initially pre-ordered the 4-in-1 version on Amain, but it was in stock on AliExpress, so I bought it there.

I received it a few days ago and I’m very impressed. It’s quite possibly the most advanced radio under $400 I’ve ever seen or heard of.

It runs EdgeTX (or OpenTX) and it has up to 32 channels (with expander module). It also supports (4-in-1 version) most manufacturers’ receivers and standards like STDHSS and D8/16. The module is updatable, so more models will probably be supported soon (like the Traxxas TQi is a work in progress)

The best part is the expandability and all that hardware! It has so many customizable buttons, pots, trims, 3-way switches, you name it. It comes pre installed with a 512MB (yes, MB) memory card and that stores about 60 models in memory. I’m assuming that if you put in a larger card you can get toward of 100 models stored in this radio. Each model can have different settings (e.g, switch actions, RGB lighting, curves) or you can make a function global. It also supports really advanced programming such as curves, graphs, trigger trims, LUA scripts, sound effects, dual/expo rates, etc.

The hardware itself is pretty nice. It’s not Futaba, but it does have Hall effect sensors and adjustable tensions and whatnot. It looks cheaper online than it does in person. It’s a bit on the heavy side though due to the screen and hardware. The wheel and trigger sensors are incredibly smooth and fluid, unlike many RTR radios that use potentiometers and springs.

I only have a couple issues. One, the standard RadioMaster receivers DO NOT seem to have good range. Maybe I set something up wrong, but I’ll experiment soon with a FlySky receiver and update this review later. Another gripe I have is that it’s about 3x heavier than the Traxxas TQi radio. It’s pretty solid. Another issue was that the plug over the AUX port was triggering the audio to turn off, thinking a jack was plugged in. I cut the AUX plug cover plug off and no issues! :)

##UPDATE##
I tested the radio with a FlySky 3ch receiver and the range is A+! I recommend the radio, but not the standard RadioMaster receivers.

##UPDATE #2
I now use the FlySky IA lineup. They perform incredibly well and I’ve set up telemetry screens that show speed, voltage, etc. All channels also seem to work perfectly well. The battery life on the radio is very good as well….probably two or three weeks with daily use.

##UPDATE #3
I have been using this radio with my 8CH TRX-4 with rear steer, TT02 drift car, Traxxas Maxx, and a E-Revo VXL (all equipped with FlySky receivers and telemetry sensors. It works amazingly and has survived multiple ~3ft drops on concrete and light rain.

##UPDATE #4
It now appears that RadioMaster is now selling replacement parts on their website for extremely cheap! You can get mainboards, screens, steering wheels, replacement buttons, etc.

##UPDATE #5
I’ve taken the time to become more of a power user. Now I have launch control (special throttle delay and expo upon a button press to prevent wheelies) and even voice feedback and haptics. It even logs my runs for review at a computer! I could not be happier. And for only about $150, it’s a deal you don’t want to miss.
5 customers found this review helpful.
Daniel Porter
Friday, Jul 5 2024 (6 months ago)
RadioMaster MT12 4-in-1 16-Channel 2.4GHz Radio System w/R85C Receiver
You get a whole lot of radio for the price. It may not be a walk in the park to setup every feature you want but the features are there. And there’s videos out there to walk you through a lot of custom settings. Not to mention the fact that this version can bind too many other brands.
3 customers found this review helpful.
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