Based on repeater triangulation, the system tracks mobile phones using GPS and GSM technology. Approximate margin of error: 10 meters (max.) for mobile phones in Europe and the U.K. 25 meters (max.) for mobile phones in the U.S.A., South America and Canada. 50 meters (max.) for mobile phones elsewhere. This system will not work in countries without GSM technology networks. Use the related link to go direct to the tracking site.
