GNSS 
Positioning systemGPS+BDS+LBS
Positioning accuracy<2.5m CEP
Tracking sensitivity-162dBm
Acquisition sensitivity-160dBm
TTFF (open sky)Avg. hot start ≤1sec
Avg. cold start ≤32sec
Cellular 
Communication networkLTE Cat 1/GSM
FrequencyVL802-E:
LTE-FDD: B1/B3/B7/B8/B20/B28
LTE-TDD: B34/B38/B39/B40/B41
GSM: 850/900/1800/1900MHz

VL802-L:
LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B28
GSM: 850/900/1800/1900MHz

Power 
Battery1,000mAh/3.7V industrial-grade Li-Polymer battery
Input voltage9-36VDC
Interface 
LED indicationGNSS (Green), Cellular (Blue), Power (Red)
SIMMicro-SIM
Data storage16+16MB
Digital inputsACC, SOS
Digital outputsRelay
Configurable I/O2 special I/Os can be configured as extra digital inputs or outputs
Analog detectSupport 0-5V
Physical specification 
Dimensions105 x 56 x 22mm
Weight120g
Operating environment 
Operating temperature–20℃ to +70℃
IP ratingIP65
Feature 
SensorsAccelerometer
ScenariosSOS alert, Speeding alert, Abnormal vibration alert, Fatigue driving alert