The self powered gps tracker must be used outdoors to receive satellite signals. There's no problem with an external antenna inside. If it is the self powered gps tracker of SiRF 3 chip, there is no problem in the car.

1. If you use self powered gps tracker module, you need to bind the module to your mobile phone or PDA through Bluetooth.

2, self powered gps tracker search time and local weather (cloud is relatively thick, the satellite signal is not good), buildings, the location distance you open the self powered gps tracker twice, and the state of the satellite at that time have a lot to do with it. So the star search sometimes takes 10-20 minutes.

3, if the use of non-legitimate software, there will be many problems in the installation process, but also may not be able to carry out future upgrades.

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