TK428 OBD-II GPS tracker can also be used to do vehicle's telemetry via OBD connector,

it can read the vehicle's ECU's data (speed, rpm, odometer, speed, fuel consumption, harsh acceleration, harsh brake, DTC code, driver behavior data...etc) via CAN-BUS.
It has plug & play design, which is compatible with all the cars with OBD-II connector, and it supports all the CAN-BUS protocols as followings: