1. Wide verizon LCD
2. Protection to following situations:

over voltage, over current, overloading and thunderstrike

3. Screen flip function

4. Shortcut to switch group, user, and talking history

5. Loud audio and audio control lock function

6. Multimedia Speaker to ensure audio quality 

7.Wide range of input voltage options: 12-28V

8. Can be a 5V 1A quick charger for mobile phone

9. 8-pin secondary development jack available to other APPs like 

oil consumption 

10. Maximum bracket rotate degree: 270 degree 

Base Station 4G LTE Car Mobile Radios TM-990

4G LTE GPS Fleet Tracking Vehicle Mobile Radios TM-990

Tesunho TM-990 Land Mobile Two Way Radios Bluetooth

1. wide verizon LCD
2. protection to following situations:
over voltage, over current, overloading and thunderstrike
3. shortcut to switch group, user, and talking history
4. quickest GPS positioning speed
5. wide range of input voltage options: 12-28V
6. maximum bracket rotate degree: 270 degree
...          

GPS Trunking Bluethooth TM-990 Mobile Radios

TM-991 FCC CE Licence 4G LTE Land Mobile Radios

Global Call FCC Truck Mobile Radios TM-991

TM-990 FCC CE Certificate Mobile In-Vehicle Radios 

500 Miles GPS DMR Mounted Mobile Radios TM-990DD

FCC CE 2 Way Mobile Radios PTT Over Cellular TM-990 

1.Support 12V-24V voltage
2.Current overload protection
3.Support secondary development port (you can exporle more functions with this port)
4.Scientific Cativy design and material selection support excellent heat radiation
...