It is an information system installed in the vehicle for continuously calculating the position of the vehicle, and it has the characteristics of small size, non-smooth surface and light weight. It can communicate with the command center and also function as a standalone data logger (with a black box).

　　Components of GPSPU:

　　High quality GPS receiver; a microprocessor; black box memory; modem for communication; interface for peripheral equipment; transponder for personal (optional); differential receiver (optional).

　　It is an internal GPS receiver designed for moving objects, which can accept 12 channels and a sensitive RF front end. The scientific software calculation method makes the device work in harsh environments, such as tall buildings and trees in the area where it belongs. , also has good performance. It can locate quickly, and after the signal is lost, the signal can be quickly regained.

　　In the GPSPU box there is a processing chip for the internal operating system. It reads the position output from the GPS receiver and stores the information in the current format into the motherboard's memory (or transmits the data back to the control center via the optional internal modem). Most of the functions of the system GPSPU are provided by its software, and the system can be compatible with the user's system to the greatest extent possible. It can control input/output and peripheral additional equipment. Most of the functions of the microprocessor are controlled by the control center.

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