1. Real-time tracking via SMS/platform/APP
2. Overspeed/Grating/Vibration
3. Support memory storage
4. Support the uploading position with changing angle
5. Frequency: 850/900/1800/1900MHz
6. GPS chip set MTK high sensitivity chip
7. Tracking sensitivity: -165dBm
8. Position accuracy: <10m CEP
9. Working voltage: 9-36VDC
10. Operating temperature: -20?°C to +65?°C
11. For car