What are the different types of car GPS?

　　1. Wiring type. At present, most of the GPS positioners on the market are still wiring and need to connect the automotive power line to provide power. Therefore Slow search is also a good way. However, this requires more professional personnel. Otherwise, you may not even know the power cord. It is not recommended to find it yourself. It is best to go to the car repair station to check the line, otherwise it may damage the car line.

　　2. OBD interface type, in addition to the diagnosis and abnormal detection functions of car failure and abnormal detection, there are also functions such as positioning and driving records. Such devices can be used on the OBD interface, so pay attention to finding it when looking for finding. Check the OBD interface. This is very simple. There are generally several positions of the OBD interface: A. Located at the lower left corner of the steering wheel (common); B. The lower right corner of the steering wheel; Located in the central armrest box;

　　3. Strong magnetic -free installation type, usually installed in front and rear bumpers, trunk, armrest box, under the auxiliary driver's seat, the deputy position debris box, the door debris box, or the car chassis (with a waterproof bag installed). Although the distribution area is wide, it is not difficult to find it carefully.

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The following aspects mainly affect the performance of GPS antenna