Field of application
1Personal safety/staff management
2Car rental/small-scale vehicle fleet management
3Guardianship regarding children/elderly people/handicapped people/pets

Technical parameters
* GSM frequency ranges: 850/900/1800/1900
*Continuous GPS positioning, and GPRS real-time report;
* Battery: 750mAh, 3.7V removable battery
* Working voltage: 3.3-4.2V DC
* GPS positioning time: cold start=26s (open sky), warm start=32s, hot start=2s (open sky)
* GPS sensitivity: -159dBm
* GPS positioning accuracy: 10m (2D RM)
* Working ambient temperature: -20ºC-+70ºC
* Working ambient humidity: 20%-80% RH
* Dimensions: 64 (L) × 46 (W) × 17(H) mm