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 |