Types of GPS divided by 2 is useful. navigation (Navigation System) by the structure of the device has a small embedded GPS satellite receiver installed in the plate circuit. Then the satellite will be controlled by the navigation application again. tracking system (Tracking System) is used to track adjacent to the device. The unit is Slot to insert a SIM card (Mobile phones) due to GPS Module is to receive satellite signals. Then released into information overload at that point, then it requires a mobile phone network to coordinate this SMS, EDGE, GPRS, etc. When the destination receives the data, it will bring to coordinate Plot on map table. It is a location on the map where the equipment is installed, this system can usually be used to monitor motor carrier too. That is becoming more popular nowadays. It can be used to track people. And pets by
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