How can we know that the car is not installed GPS positioning system?
Vehicle GPS positioning is a mobile phone SIM in it, usually by satellite or base station location, divided into two ways of wiring and wireless. Wiring can generally be found through the car line, wireless may be installed in any position of the car, if you do not find their own tools is difficult to find. Specifically measured GPS detector, one minute you can confirm the car is not installed GPS positioning, 15-45 minutes to determine the specific location. This house has 3W point abt157 point com
More than and 10 of the 200 thousand does not come, only the installation, if there is no radio on the installation of GPS
You can take a look at the following table with a wire harness!
Hello, the most simple and most basic identification method: some reversing radar is a GPRS navigation satellite positioning system, but China is still not so comprehensive vehicle. According to my understanding, GPRS satellite positioning system was installed, so under normal circumstances, installed in the cab car inside a machine: a similar equipment, so that your friend's car is equipped with GPRS satellite positioning system!
Follow it, find along the line;Fixed point check to see whether there is a common installation location.