4. lntroduction
4.1. Features
Communication via 4G LTE networks with 2G GSM fallback. Two complementary
positioning systems ensure the locations to be accurately displayed on cloud plat-form.
Obtains real data of vehicle (accurate mileage, fault code, ACC status, fuel
con-sumption statistics, battery voltage, engine speed, etc.)
Two complementary positioning systems ensure the locations to be accurately
dis-played on cloud platform.
Get instant alerts for 4 or 8 kinds of dangerous driving behavior, depending on your
needs.
Instant alerts for atypical events such as car fault, collision, overspeed, device pull-out,
engine idling, low battery, geo-fence entry/exit, etc.
Through bluetooth connection you can configure parameters, upgrade software, and
debug.
Ensures constant tracking in the area with poor GPS signal or even without it.
Simply plug this device into 08D II socket, you don't have to turn to professionals.
4.2. Basic characteristics
GNSS
Positioning system
GPS/BDS
Frequency
L1
Positioning accuracy
<2.Sm CEP
Track sensitivity
-162 dBm
Acquisition sensitivity
-148 dBm (cold) /-156 dBM (hot)
TTFF (open sky)
Avg. hot start <1 sec
Avg. cold start <32sec
Cellular
Communication network
LTE + GSM
Frequency
VL502(L):
LTE-FDD: B2/B3/B4/B5/B7 /B8/B28/B66
GSM: B2/B3/B5/B8
VL502(E):
LTE-FDD: B 1 /B3/B5/B7 /B8/B20/B28
GSM: B2/B3/B5/B8
Power
Battery
50mA/3.7V
Input voltage
9-36VDC
