Class 12 GPRS and 66 channel GPS with -165 dBm tracking sensitivity and 1.5 meters accuracy

The operational range of 8.5 volts to 65 volts DC

4 digital optically isolated inputs

2 RS232 ports, 1 USB configurable (On-demand CAN Bus interface extensions)

for more details click here-

https://aryaomnitalk.com/gps-vehicle-tracking-system/