Generic GPS Vehicle Tracker - (GSM Status Indicator)

Built-in antenna
-Tracker by SMS or GPRS
-Real-time tracking at intervals
-Resend data from the signal dead zone
-GPS inflection point supplementary transmission
-APN adaptive status query
-Low power alarm
-Over-Speed alarm
-Geo-fence alarm
-GPS+WIFI+LBS+AGPS positioning tracking
-Vibration alarm
-Remote pickup
-History playback