Collegamento
3G/4G Sim Card, 2G Sim Card
Punto d'origine
Guangdong, China
Uso
For developing 3G GPS tracking device
Network Frequency
3G WCDMA 850/900/1900/2100MHz+2G GSM 850/900/1800/1900MHz
Positioning methods
GPS+WiFi+AGPS
Tracking system
Free APP+Web+SMS(optional)