PS21A is an in-vehicle OBD positioning device, which can realize functions such as electronic fence, remote tracking. this device is small in size, easy to install and fix.
An OBD (On-Board Diagnostics) system for truck tracking is a device that connects to a truck's onboard computer to collect and transmit data on vehicle performance, location, and other metrics. It typically uses the J1939 or CAN bus protocol to communicate with the truck's ECU (Engine Control Unit). OBD systems for truck tracking can provide real-time location, speed, fuel level, and engine performance data, allowing fleet managers to monitor and optimize their operations. Some OBD systems also offer additional features such as geofencing, idling time monitoring, and driver behavior tracking.
