Radio Controller RadioMaster MT12 ELRS + ER3C-I

Introduction

The RadioMaster MT12 is a groundbreaking open-source surface radio controller, setting a new standard for RC hobbyists. As the first surface radio officially supported by EdgeTX, ExpressLRS, and the Multi-module project, it offers unparalleled flexibility and performance. Designed for a wide array of surface models, from cars and trucks to boats, the MT12 provides 10 physical inputs and can handle up to 16 or 32 channels, making it a truly versatile control solution.

Key advantages

• Pioneering open-source surface radio officially supporting EdgeTX and ExpressLRS.
• Equipped with a powerful STM32F407VGT6 MCU with 1MB Flash for smooth operation.
• Features ExpressLRS or 4-in-1 MPM RF modules for broad compatibility.
• Supports up to 32 channels, offering extensive control for complex models.
• Fast QC3.0 charging (2.0A MAX) ensures minimal downtime.
• Compact, ergonomic design with a large battery compartment for extended use.
• Standard Nano module bay for easy expansion with compatible modules.
• Includes a high-sensitivity ceramic antenna receiver (ER3C-i) for reliable signal.

Technical specifications

• Dimensions: 177.8*118.4*207.8 mm
• Weight: 480 grams
• Operating Frequency: 2.400GHz-2.480GHz
• Internal RF Options: 4-in-1 Multi-protocol / ELRS 2.4GHz
• Supported Protocols: Module dependent
• Operating Current: 160mA (4w1) / 320mA (ELRS)
• Operating Voltage: DC 6.6-8.4V
• Operating System: EdgeTX
• Control Channels: 16 standard, expandable to 32 (4w1 only)
• Display: 128*64 Monochrome LCD
• Battery: 2x 18650 cells or 2S 7.4v 5000mAh LiPo (batteries not included)
• Charging: Built-in USB-C charging
• Firmware Update: Via USB or SD card
• Wheel & Trigger Sensor: Hall Effect
• Module Bay: Nano size (supports RadioMaster Ranger Nano, RM 4w1, TBS Crossfire Nano)
• ER3C-i Receiver Power: DC 4.5 - 8.4V
• ER3C-i Antenna: Built-in high-sensitivity ceramic antenna
• ER3C-i Wireless Protocol: Pre-installed ExpressLRS 3.3.0
• ER3C-i Output Channel: 3CH PWM
• ER3C-i Telemetry Power: 10mW
• ER3C-i Battery Voltage Detection: DC 4.0 - 35V
• ER3C-i Weight: 4.2 grams
• ER3C-i Dimensions: 26.1*18.5*13.0 mm

Applications

The RadioMaster MT12 is ideal for controlling a wide range of surface RC models, including high-performance cars, powerful trucks, agile boats, and more. Its advanced features and customization options make it suitable for hobbyists and professionals alike seeking precise and reliable control in various RC applications.

Compatibility

Compatible with Nano-sized modules such as RadioMaster Ranger Nano, RadioMaster RM 4w1, and TBS Crossfire Nano. Supports standard button layout and features a Nano module bay. The included ER3C-i receiver is compatible with ExpressLRS 3.3.0 and provides 3CH PWM output.

FAQ

What is the RadioMaster MT12?

The RadioMaster MT12 is an advanced open-source surface radio controller designed for RC cars, boats, and other surface models. It supports EdgeTX and ExpressLRS, offering up to 32 channels for extensive control.

What is included in the RadioMaster MT12 package?

The package includes the MT12 Surface Radio (ExpressLRS Version), an ER3C-i 2.4 GHz ELRS PWM receiver, dual switch and 4-way joystick expansion modules, a Nano adapter, USB-C cable, lanyard, custom case, 18650 battery tray, screen protector, stickers, and a user manual.

What battery does the RadioMaster MT12 use?

The RadioMaster MT12 features a large battery compartment that can accommodate 2x 18650 cells or a 2S 7.4v 5000mAh LiPo battery. Please note that batteries are not included with the purchase.

Where can I buy the RadioMaster MT12 with fast delivery?

You can buy the RadioMaster MT12 Surface Radio Controller with fast and reliable delivery from HTDRONE, your specialized FPV and UAV drone parts store based in Poland. We offer worldwide shipping via DHL.

What are the key technical features of the RadioMaster MT12?

Key features include a powerful STM32F407VGT6 MCU, pre-installed EdgeTX firmware, QC3.0 fast charging, a compact ergonomic design, a standard Nano module bay, and Hall effect sensors for wheels and triggers.