The Five main reasons why you should
No initial cost
any cell phone
or position updates when requested
Positions are accessible through the REX web interface in the computer or from a cellular phone (iOS, Android) with your username and password, which you get after order.
Details about the system
This tracking is possible to use with the customers SIM card (T-Mobile CZ only). Alternatively you can order a new SIM or transfer customers’ existing SIM card to the REX system and use budget-wise tariffs.
The certain disadvantage can be lower accuracy. GSM tracking in the cities could be quite accurate 100-500 metres (according to the city size), outside the city, up to 3 kilometres.