Vehicle tracking devices can be purchased online from various sources selling private research equipment or recreational espionage equipment. They are also available in some stores specializing in electronics, video surveillance and GPS equipment. Because the tracking devices use GPS or cellular technology to determine the location, a subscription or service contract usually needs to be arranged to receive data from the tracking device.
There are two main types of vehicle tracking devices:
Wired vehicle tracking device. The unit has a device that operates similarly to a cell phone and transmits data whenever the unit is in motion or, in some cases, at set intervals, once per minute. They should be connected to the vehicle for power supply. The vehicle tracking devices usually have a sensor that determines when the tracker is in motion and initiates the power and signal transmission at that time and then shuts off after it has not been moved for several minutes. Tracking data can be sent to a computer connected to the Internet or to a smartphone, making it quite convenient.
Wireless vehicle tracking device. They do not need to connect wires with car battery, but operate as a portable GPS device. When the vehicle is in motion, the GPS tracking device collects waypoints at defined time intervals as coordinates that must be plotted later. Wireless gps trackers are more expensive because they are usually with big battery.
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