Specification
Model DS-850 4G LTE POC IP Network radio 
Name LTE Public network
Operating Voltage DC：3.4V-4.2V, 3.8V
Frequency Range LTE-FDD/WCDMA/GSM
For EU/ASIA Frequency Range
1、 LTE FDD:B1,B3,B7,B8,B20
2、 WCDMA:2100/900Mhz
3、 GSM:900/1800Mhz

For USA Frequency Range
1、 LTE FDD:B2,B4,B5,B12,B17
2、 WCDMA:1900/850Mhz
 

For Australia Frequency Range
1、 LTE FDD:B1,B2,B3,B5,B7,B8,B12,B28,B40
2、 WCDMA:1900/850Mhz

MAX TX power Class 3

23dBm±2.7dBm for LTE
standard Power Dissipation

23dBm±2.7dBm for WCDMA standard

33dBm±2dBm for GSM900  standard

30dBm±2dBm for GSM1800  standard
standby current：40-120mA@RX-75dBm for LTE
Average operating current：220mA@RX-75dBm for LTE
maximum current：800mA@RX-104dBm
Received sensibility -106dBm
Battery 4000mAh（optional 5200mAh）
Li-ion battery 4000 mAH, high capacity battery
5000mAh choice
charge mode USB Micro USB charge+ Desktop charger
Antenna SMA PCB
Operating Temperature -30℃ ~ +75℃
Weight 212g low capacity battery
HxWxD（mm）Dimension 106mm*60mm*31mm low capacity battery
SIM card SIMcard Standard size SIM card
GPS（optional）
frequency 1575.42MHz Tracking sensitivity
-155dBm
acquisition
sensitivi
-143dBm First positioning time
(outdoor)
hot start：4s
cold start：55s
update rate 2-4HZ antenna active antenna
power dissipation 35mA examine Native latitude and longitude display
and platform scheduling software

FUNCTION

Colorful display

On time alarm
4G/3G/2G support 4G/3G/2G compatibility
polymer lithium battery
GPS（optional）
number single call ll/Group/Private Call
ultigroup listening
Multiple member single call
Native platform upgrade
Can be used as a phone
SOS emergency alarm
Intercom tone switch
Key lock
Battery display / low battery prompt
report punctually
Platfrom：Real-PTT
Single call can accommodate 1000 members