Main Features
Support 2/3/4G 
Linux System with Real Ptt app built in
GpsBuilt in
Voice Prompt
Back Light Setting
All Call, Group Ccall & Individual Call
Sossupport
Poc Remote Update
Member Option
Group Option
Battery Indicator
2G/3G/4G NetWork Option
Silence Mode
Quick Dial
 
 

Specification
Model No.
GT-500
Frequency Range
EU version
GSM: B2/B8
WCDMA: B1/B3/B5
LTE FDD: B1/B3/B5/B7/B8/B20
LTE TDD: B30/B40/B41
US version
WCDMA: B2/B4/B5
LTE FDD: B2/B4/B5/B12/B13/B14/B66/B71
MAX TX power
LTE: 23 ±2.7dBm (Power Class 3)
WCDMA : 24 +1/-3dBm (Power Class 3)
GSM900 : 33±2dBm (Power Class 4)
GSM1800: 30±2dBm (Power Class 1)
SIM Card
Standard SIM card
OS
Linux
AGPS
GPS,Beidou
Screen
1.4 inch SPI 128x128
Received sensibility
-106dBm
Battery
4400mAh Li-ion battery
Operating Temperature
-20℃~ +60℃
Weight
182g
Dimension: HxWxD（mm）
128x59x39（not including antenna）