The repeater system based on triangulation, using GPS and GSM technology to track mobile phone location.
We track the errors that may occur is not responsible.
Accuracy：
In Europe and the UK, mobile phones for up to 10 meters
In the United States, South America and Canada, mobile phones for up to 25 meters.
In Japan, Korea and other parts of South Asia, mobile phones for up to 50 meters.
The GSM technology network system in the country is not unavailable.