waterproof wristband GPS offender Parolee criminal law-enforcement tracker

Main feature:

◆ARM 7 Solution

◆GSM Chipset: SIM 900 (Quad Band 850/900/1800/1900 MHz)

◆Waterproof: IP67

◆Long standby time up to 12 days

◆Easy authorized phone number setup by calling

◆Real time tracking

◆Remotely monitoring

◆SOS emergency calling

◆Tracking regularly by GPRS

◆GPRS data logger

◆Query APN automatically

◆3 kinds of tracking mode,3 LED lights to show status of Power, GPS, GSM

◆Geo-fence

◆Time-zone setting

◆Low battery alarm

◆Auto power on/off

◆Special locking system with Belt-off alarm

Items Specification:

Charging Voltage:DC 4.5-5.5V/750mA (Mini USB)
Internal Battery:Rechargeable 750 mAh battery(3.7V)
Dimension: 55*43*13mm
Operating Temperature:-20 ～ +55 °C
GSM Module:Quad Band GSM 850/900/1800/1900 MHz
GPS Chipset:Newest Ublox chipset
GPS Sensitivity:-160Db
GPS Frequency:L1, 1575.42 MHz
C/A Code:1.023 MHz chip rate
Channels:50 Channels
Position Accuracy:<10 M, 2D RMS
Velocity Accuracy:0.1 M/S
Time Accuracy:Satellite Time: 1 millisecond time synchronization
Update Time:Average 0.1 second
Hot Start up:Average 1 second
Warm Start up:Average 3 second
Cold Start up:Average 27 second
Max. Altitude:18,000m (Max. 60,000 ft)
Max. Speed:500 m/s (Max. 1000 knots)
Max. Acceleration:less than 4g
Working time:10-12 days of standby time in personal mode; 12 hours of standby time in vehicle mode
LED:3 lights for showing states of power, GPS, GSM
Button:2 buttons. 1 SOS button, 1 power switch