4g Criminal Ankle Bracelet GPS Personal Tracker
 
Timing tracking / Real time tracking
SMS/GPRS(TCP/UDP)tracking
GSM band 2G/3G: GSM/GPRS/EDGE900/1800MHZ UMTS/HSDPA900/2100MHZ
or GSM/GPRS/EDGE850/1900MHZ UMTS/HSDPA850/1900MHZ
Support GPS+LBS+AGPS+WIFI positional
IP67 waterproof
 High capacity battery
Two-way communication/ monitoring
Secure charger
SOS emergency alarm / Low battery alarm/ Geo-fence alarm
Belt off alarm
GPRS data logger
Query APN automatically /Time-zone setting
Tracking mode(Power saving mode / Vehicle mode / Smart mode)
Historical track
GPS Tracking System and APP tracking
Support: OEM, customize, protocol