IoT card communication system mainly refers to the SIM traffic card. Different devices require different formulations, flow cards of different traffic, which is especially noted in use, try to make traffic and prevent downtime. GPS
hardware terminal, commonly known as GPS
, basically divided into three types: wiring type, OBD interface type, strong magnetic free mounting type. It must be subdivided, here don't decompose it.
The above is the difference between the Vehicle GPS
positioning system and the vehicle management system, simply: one is a component, one is the whole machine.