1.4.
Battery and charging information
MT12 is powered by 2x 3.7V 18350 Lithium Ion cells and is charged using the built-in USB-C port. The charging
circuitry is designed for charging 2x 3.7V Lithium Ion/Poly or 1x 7.4V Lipo battery pack only; the nominal voltage is
3.7V and the maximum charging voltage is 4.2V.
Never charge 3.6V LiFe and 3.6V 18350 Lithium Ion packs with the onboard charger. Charging or using the wrong
battery chemistry/polarity may cause permanent damage to the PCB and in certain situations cause fires.
Check the voltage and condition of the battery regularly and never charge the device unattended. Only charge in safe
areas away from combustible materials. Refrain from charging the radio unit if it was exposed to water or was
damaged in any way. RadioMaster does not assume any responsibility for any adverse consequences caused by the
use or misuse of this product.
1.5.
Manual and firmware download
MT12 is pre-installed with factory approved EdgeTX firmware and is also capable of operating OpenTX. To download
the latest manual or stock factory firmware, please visit the RadioMaster website:
When updating your radios firmware we would encourage you to use EdgeTX Buddy.
EdgeTX
(easy to use tool for FW updates)
https://edgetx.gitbook.io/edgetx-user-manual/
ExpressLRS
https://www.expresslrs.org/quick-start/getting-started/
Multi-Module
1.6.
Specifications
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 4 in 1. 400mA for ELRS 250mW .
Operational voltage
：
6.6-8.4V DC
Operating system
：
EdgeTX
Control channels
：
Maximum 16 (Rx dependent)
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
Gimbal
：
Hall-effect
Module bay
：
Nano size (RadioMaster Ranger Nano Module / RadioMaster RM 4in1 module /
TBS Crossfire Nano module)
Summary of Contents for MT12
Page 5: ...1 3 Radio overview...