One of the main requirements coming from different clients is to add an "anti-theft alarm" function to our gps trackers, which will trigger the loud BEEP BEEP alarm whenever the motorcyc...
1. Covering range: Beidou navigation system is a regional navigation system covering China. The coverage is about 70 -140 east and 5 -55 north latitude. GPS is a global all-weather navigation ...
Many car owners are more curious when the memory card is full, will the driving recorder work normally? Needless to say, of course, it is not possible. The essence of the recorder is a small video...
1. GPS receiver antenna The GPS receiver antenna consists of two parts: antenna unit and front amplifier. The role of antenna is to convert the weak electromagnetic wave energy of the GPS satelli...
1. Monitoring the internal environment of buses The bus is a densely populated and enclosed mobile public place, and its security situation is relatively complex. Disputes between drivers, passen...
1. Principle of position difference This is the simplest differential method, and any GPS receiver can be modified and composed of this differential system. After observing four satellites, the G...
1. Space part The space part of GPS is composed of 24 working satellites, which are located 20 200 km above the earth's surface, evenly distributed on six orbital planes (four for each orbita...
1. In car Wi Fi devices refer to wireless routers that load mobile traffic cards on the vehicle and transmit Wi Fi signals through 3G/4G/5G traffic to in car Wi Fi, wireless radio frequency, and o...
Short term goal: By the end of 2021, the application of General aviation low altitude airspace positioning and monitoring of Beidou system will be basically realized, and the tracking and monitori...
The Beidou satellite system and GPS satellite system are both satellite systems used for positioning and navigation. The differences between them are as follows: 1. Country: GPS is a satellite sy...
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