1.4. Baery and charging informaon
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 baery 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
baery chemistry/polarity may cause permanent damage to the PCB and in certain situaons cause res.
Check the voltage and condion of the baery regularly and never charge the device unaended. Only charge in safe
areas away from combusble 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 rmware download
MT12 is pre-installed with factory approved EdgeTX rmware and is also capable of operang OpenTX. To download
the latest manual or stock factory rmware, please visit the RadioMaster website: hps://www.radiomasterrc.com
When updang your radios rmware we would encourage you to use EdgeTX Buddy.
EdgeTX
hp://edgetx.org/ (Informaon about EdgeTX)
hps://buddy.edgetx.org/ (easy to use tool for FW updates)
hps://edgetx.gitbook.io/edgetx-user-manual/ (EdgeTX Online manual)
ExpressLRS
hps://www.expresslrs.org/quick-start/geng-started/ (ExpressLRS Online guide)
Mul-Module
hps://www.mul-module.org/ (Online resources)
1.6. Specicaons
Physical dimensions:177.8*118.4*207.8mm
Weight:480 grams
Operang frequency:2.400GHz-2.480GHz
Internal RF Opons:4-in-1 mul-protocol / ELRS 2.4GHz
Supported protocols :Module dependent
Operaonal current: 160mA for 4 in 1. 400mA for ELRS 250mW .
Operaonal voltage:6.6-8.4V DC
Operang system:EdgeTX
Control channels:Maximum 16 (Rx dependent)
Display :128*64 Monochrome LCD
Baery :2 x 18650 cells or a 2s 7.4v 5000mah baery pack (Baeries not included)
Charging :Built in USB-C Charging
Firmware Upgrade method:Via USB or SD card
Gimbal:Hall-eect
Module bay :Nano size (RadioMaster Ranger Nano Module / RadioMaster RM 4in1 module /
TBS Crossre Nano module)