SKU: 64405978485

RadioMaster MT12 Surface Radio Controller EdgeTX RC Transmitter with PWM Receiver - Choose Version

$143.99 $159.99
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Description

RadioMaster MT12 Surface Radio Controller EdgeTX RC Transmitter with PWM Receiver - Choose VersionThe 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

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.

You can find here all the compatible Receivers and Parts in the RadioMaster MT12 Surface Radio Controller Collection.

Check out all our Radios and the rest of our RadioMaster Products




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

 

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/

Available with ExpressLRS and 4in1 Version

In addition to the popular internal 4-in-1 Multi-module, the MT12 is also available with an internal 2.4GHz ExpressLRS (ELRS) module. Designed to provide reliable long-distance control, super low latency, and high refresh rates. ELRS is a revolutionary open-source protocol taking the R/C industry by storm.


ExpressLRS VERSION
ExpressLRS 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

4in1 VERSION
One remote control all of your cars. The 4in1 internal RF system has protocols, for many popular brands of cars and receivers. 
Click here to visit the list of supported protocols

Dimensions

Radio Overview


Downloads:

Package Includes

  • 1 * MT12 Surface Radio ExpressLRS Version
  • 1 * ER3C-i 2.4GHz ELRS PWM Receiver
  • 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

OR

  • 1 * MT12 Surface Radio 4in1 Version
  • 1 * R85C Receiver
  • 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

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 64405978485

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Tee & Cee
Chelsea, US
★★★★★ 5
Top quality
Model: SLH20025
This Siless Hybrid 3-in-1 sound deadening mat is easy to work with and feels high-quality. The butyl material is thick and pliable, making it simple to cut and fit into doors, floors, or panels. After installation, road noise and vibrations are noticeably reduced, and it also seems to improve the overall cabin feel. No bad smell. At 25 sq ft per roll, it’s a good value for anyone looking to dampen noise and improve car acoustics. Overall, a solid, effective option for automotive soundproofing. Used on a Fiesta ST.
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Reviewed in the United States on February 15, 2026
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Andy
Lowell, US
★★★★★ 5
Made a big improvement in cabin noise—highly recommend
Model: SLH20025
Siless Hybrid made a huge difference in reducing noise in the floor of my truck cabin. In some areas, there was basically just bare sheet metal between the inside and outside, so adding this really helped the truck feel more solid and noticeably quieter on the road. I used Kilmat on the doors, and honestly I wish I had used Siless Hybrid there too, but it was too late by the time I realized the difference. This material is very sticky, easy to cut, and simple to apply, which made the install pretty smooth. Just a heads-up: the tacky side gets messy and will bond to clothing really easily, so be careful during installation. Overall, I’d definitely buy it again—great product with real results.
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Reviewed in the United States on December 2, 2025
A
Verified Purchase
AmazinFrank
Natrona Heights, US
★★★★★ 5
Very good product at a fair price
Model: SLH20025
Very good sound deadener and heat shield, it is a bit sticky to work with, but easy to shape and cut
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Reviewed in the United States on April 19, 2026
E
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Eric Caldeira
Cuba, US
★★★★★ 5
I wish I had Siless 20 years ago!!!
Model: SLH20025, Model: SLH20025
I have installed all kinds of insulation in vehicles over many years. I only needed to purchase 2 boxes to complete the entire interior siding of my 2025 chevy express, what a great value! I wanted to insulate my locksmith van for sound and heat. The sound reduction virtually eliminated the road noise. These panels also look amazing. It got up to 110F in the sun with the doors closed. After adding Siless insulation the temperature maxed out at 97F. That is a massive difference. Plus, I didn't even finish with the roof before testing. Siless Hybrid 3in1 was extremely easy to cut and adhere onto metal panels. I'm impressed with the quality of the individual panels and the adhesive is not toxic smelling compared to some others. My favorite thing about these panels is you can actually take them off and readjust them before they finally stick and they do not leave any black residue behind when you pull them up to adjust them. All I needed was a heat gun, knife and a roller to complete this job. The size of each panel is perfect, you can handle them with ease. I probably won't need your product again for a while, but when I do I will definitely be back.
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Reviewed in the United States on September 21, 2025
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Mark Kadrich
Carnegie, US
★★★★★ 5
Works well and is easy to install.
Model: SLH20025, Model: SLH20025
I was sound and heat insulating a generator bay in my class A RV so I did three tests before and during material application: I did a sound level test to see how effective the material was for my application, a "stickiness" test, and a flammability test. This was indoors on a dry 78°F day. From beginning to end, the entire process, including testing, took 5 hours to install 25 sqft or material in a very complex area. One hour for cleaning, 3 hours for installation, and 1 hour for test setup and testing. Using a sound meter, I took before and after readings and determined that I reduced the sound level by 2.2 db (40% energy decrease) with a noticeable decrease in sound and frequency. The generator bay is located under the master bedroom in the aft portion of the coach. The sound went from a rattling, vibrating generator noise to a more tolerable low level rumble. The material was easy to apply. I did some testing prior to application and determined that surface preparation is key. I cleaned my painted metal surface and then degreased with acetone and the material stuck well. Be careful and purposeful when you apply the material because once it was stuck to the metal, it was quite difficult to remove or reposition. Since it was going to be installed into a gasoline powered generator bay located under our sleeping quarters, I did some flame testing to determine the level of risk. Although not highly flammable after installation, my testing revealed that the PE used will catch on fire under certain circumstances. In order to reduce the risk, I used aluminized duct tape to ensure that all the edges were sealed and the PE was not exposed to direct flame in the event of a fire. I also decided to install an automatic fire extinguisher as an added precaution. In all fairness there should be one installed in the generator bay anyway. All in all, I am very satisfied with the product and the results. I have recommended this product to my other RV owner friends.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2025

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