103B GSM GPRS GPS Vehicle Tracking System, Support TF Card Memory, Band: 850 900 1800 1900Mhz Application: 1. Track vehicle or heavy equipment 2. Anti-thief for 24 hours a day 3. Emergency for help 4. Vehicle management: Car, Taxi, Truck, Special vehicles 5. Suitable for company or individual 6. Non-server or work with workstation server 7. Support TF Card Memory 8. When the SIM card is no signal, GPS Tracker will track information recording to TF card Main Features: 1. Support both GPS GSM station positioning ways. 2. Support SMSGPRSInternet Network data transmission (GPRSInternet instructions in CD enclosed??? 3. Support GPRS on-line and GPRS re-connected automatically if GPRS drops 4. Support SMS GPRS dual-mode switching 5. Support configuration by remote terminal. 6. Support for point-to-point, point to group, group-to-group monitoring. 7. Set multiple functions of security, positioning, monitoring surveillance, emergency alarms and tracking in its entirety. Specifications: 1. DIM: 83 x 54 x 26mm 2. Weight: 120g 3. Network: GSMGPRS 4. Band: 85090018001900Mhz or 90018001900Mhz 5. GSMGPRS Module: Simcom900B 6. GPS Module: SIRF3 chip 7. GPS Sensitivity: -159dBm 8. GPS Accuracy: 5m 9. GPS Start time: Cold status 45s 10. Warm status: 35s 11. Hot status: 1s 12. Voltage of car power system: 12 V -24V 13. Backup battery: Chargeable changeable 3.7V 800mAh Li-ion battery 14. Storage Temp: -40 degree C to +85 degree C 15. Operation Temp: -20 degree C to +65 degree C 16. Humidity: 5%--95% non-condensing