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GPS and Location Based Service
Location Based service also named A-GPS, when tracker in underground or tunnel ,can get location by AGPS.
| Network: | GSM/GPRS |
| GSM/GPRS module: | MTK |
| Band: | 850/900/1800/1900Mhz |
| Communication protocol: | TCP |
| GPS chip: | SRIF 3 |
| GPS accuracy: | 5m-50m |
| Time To First Fix: | Cold status 45s; Hot status 1s |
| Car charger: | 12—24V input 5V output |
| Wall charger: | 110-220V input 5V output |
| Battery: | 3.7V 1000mAh Li-ion battery |
| weight | 44g |
| Storage Temp: | -40°C to +85°C |
| Operation Temp: | -20°C to +55°C |
|
Humidity: |
5%--95% non-condensing |
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