How to assemble an ARF RC aircraft step by step
A general ARF assembly workflow for many aircraft: dry fit, hinges, servo installation, power setup, CG, control checks and first-flight preparation.
MT12 Surface Radio Controller is an RC product from RadioMaster. This page focuses on what an end customer needs: fit, use cases, specifications and imagery, without prices or outbound supplier detours.
MT12 Surface Radio Controller fits customers looking for RadioMaster items in MT12 Radio, with RC-MODEL support for choosing the right configuration.
MT12 Surface Radio Controller is a RadioMaster product intended for pilots who need a capable programmable transmitter for aircraft, helicopters, FPV, gliders or surface models. This page presents the practical buying information in one place: compatibility, SKU, variants, radio protocol, use case and technical details.
The content is written for customer decision-making through RC-MODEL, without supplier prices or outbound purchase routes.
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
A general ARF assembly workflow for many aircraft: dry fit, hinges, servo installation, power setup, CG, control checks and first-flight preparation.
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
One of the most important setup guides: find the CG, install the flight battery, balance the aircraft and avoid nose-heavy or tail-heavy surprises.
A repeatable inspection routine for control direction, radio range, failsafe, battery, fasteners, propeller, CG and field readiness.
Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Manufacturer | RadioMaster |
| Brand | RadioMaster |
| Product Code | HP0157.0067 |
| All Variant SKUs | HP0157.0067, HP0157.0067-LBT, HP0157.0068, HP0157.0068-LBT |
| Available Variants | ELRS / FCC; ELRS / LBT; 4IN1 / FCC; 4IN1 / LBT |
| Product Type | MT12 Radio |
| Product Family | MT12 surface radio platform |
| Application | pilots who need a capable programmable transmitter for aircraft, helicopters, FPV, gliders or surface models |
| Item | MT12 Surface Radio; ER3C-i 2.4GHz ELRS PWM Receiver; R85C Receiver |
| Weight | 480 grams; 4.2 grams; 5.7 grams |
| Dimensions | 26.1*18.5*13.0 mm; 31.0*18.5*13.0 mm |
| Compatibility | Compatible with RadioMaster MT12 platform where applicable |
| Protocol / RF | ExpressLRS / ELRS, 2.4GHz, 4-in-1 Multi-Protocol, EdgeTX |
| Channels | 32 channels, 3 channels, 5 channels |
| Display | 128*64 Monochrome LCD |
| Charging | Built in USB-C Charging |
| Battery | 2 x 18650 cells or a 2s 7.4v 5000mah battery pack (Batteries not included) |
| Firmware | Device Category: Radiomaster 2.4Ghz / Device: RadioMaster ER3C-i |
| Frequency range | 2400-2483.5Mhz |
| Power supply | DC 4.5 - 8.4V |
| Antenna type | Built-in high-sensitivity ceramic antenna; high-sensitivity 2.4G antenna |
| Output channel | 3CH PWM; 5CH PWM |
| Internal RF Options | 4-in-1 multi-protocol / ELRS 2.4GHz |
| Supported protocols | Module dependent |
| Operational voltage | DC 6.6-8.4V |
| Operational current | 160mA for 4in1 / 320mA for ELRS |
| Operating system | EdgeTX |
| Control channels | 16 as standard, ability for expansion 32 Channels (4in1 only) |
| Wireless protocol | ExpressLRS 3.3.0 pre-installed |
| Telemetry power | 10mW; 100mw / 20dbm |
| Battery voltage detection range | DC 4.0 - 35V |
| Physical dimensions | 177.8*118.4*207.8mm |
| Operating frequency | 2.400GHz-2.480GHz |
| Module bay | Nano size (RadioMaster Ranger Nano Module / RadioMaster RM 4in1 module / TBS Crossfire Nano module) |
| Firmware Upgrade method | Via USB or SD card |
| Wheel and Trigger sensor | Hall-effect |
| Support protocol | D8/D16/SFHSS |
Tags: RadioMaster, HP0157.0067, MT12 Radio, RC radio
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