To realize the function of GPS monitoring system, there must be three elements: GPS positioning terminal, wireless communication transmission and monitoring system platform, which are indispensable. Through these three elements, a three-layer monitoring system is formed, which can be used in the field of vehicle dispatching monitoring to provide functions such as vehicle anti-theft, anti robbery, driving route monitoring and call command; It is used in the field of tracking people and pets, and can provide tracking functions for the elderly, children and pets, and the elderly and children in case of emergencies.

　　The three important uses of GPS monitoring system are: GPS positioning terminal, monitoring system platform, wireless communication transmission, etc.

　　1. GPS positioning terminal

　　GPS positioning is the front-end equipment of the GPS monitoring system, which is generally installed secretly in the vehicle or worn on the person. The GPS positioning equipment is mainly composed of single chip microcomputer, GPS module, GPRS module, I/O interface and peripheral circuit.

　　2. Monitoring system platform

　　The monitoring system platform is the core of the GPS monitoring system and the remote visual command and monitoring management platform. Once the GPS monitoring system equipment is installed on the vehicle or the GPS monitoring system equipment is worn on the person, the GPS module on the equipment will send the location information of the vehicle or person to the monitoring center in real time through the wireless network, and the intuitive location of the vehicle, person or pet can be seen on the electronic map of the monitoring center, The monitoring center can monitor vehicles, people or pets remotely through wireless network, and can also set equipment, such as setting upload interval and restarting equipment remotely by issuing instructions.

　　3. Wireless communication transmission

　　GPRS wireless communication network or CDMA wireless communication network can be used, or SMS can be used for data transmission. The modern mainstream is GPRS transmission mode.

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