1. GPS positioning, navigation, and timing services independently developed by China have high precision and high reliability.

　　2. Beidou Navigation System is a driving recorder that can record the speed and time of the car. When the driver's speed or fatigue driving, it will issue a warning.

　　3. If the speed of the truck exceeds the specified speed, or for 4 consecutive hours, this device will warn to remind the driver to pay attention to the safety of driving, and it will also record related data.

　　4. Has high -precision chronograph. Using two -way chronograph technology can achieve 20 NS timing, which is not available in other satellite navigation systems.

　　5. Strengthen the management of transportation and supervise the behavior of truck drivers. The establishment of the Beidou system aims to improve the informationization and intelligence of my country's highway industry.

　　Beidou Navigation Testing System, also known as "Beidou No. 1", is a test system that was put into operation in the early days. It adopts active positioning technology, including three global synchronous satellites that are about 36,000 kilometers from the ground.

　　It is mainly composed of three parts: ground control center and user terminal. Beidou -1 satellite navigation and positioning system can provide users with real -time and all -day positioning services.

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