Global 4G water proof Anti-tamper GPS watch with offender GPS Tracking system GPS bracelet tracker for prisoner
Advantage
1. Being suitable for Global 4G,3G and 2G network in worldwide.
2. Supporting GPS, AGPS, LBS and Wifi for outdoor and indoor precise tracking. 3. Supporting alert of tampeproof, geofence, offline, low battery and SOS. 4. IP68 waterproof for swimming and taking shower with room temperature water. 5.Customization of tracking software and APPs to build your own monitoring system. 6.Customizing tracking system and App , hardware, appearance, firmware and packaging with your brand.
Products Description
Specification

Main Chip
SL8521E(1.3GHZ) 
Dual-core ARM Cortex A53 processor

Screen

1.3 inch TFT

Frequency Band (1)
FDD:Band 1\3\7\8\20 
TDD: Band38\39\40\41 
WCDMA: Band 1\8 
GSM: Band 2\3\5\8

Frequency Band (2)
FDD: Band 2//4/5/7/12 or 17 WCDMA2/4/5 
GSM: Band 2/3/5/8
OS
Android 4.4
Heart rate Sensor
Optional
Momery
512M+4GB
Temperature Sensor
Optional
GPS
Yes
Watch Battery Portable charger
 650mAh(3.7V) 1000mAh
GPS Signal
L1,1575.42MHz C/A code
Charger
Magnetic charger Portable Charger
GPS Antenna
High sensitive LDS
Wristband
ABS+TPU
GPS chip receive sensitivity
Tracking sensitivity:-165dBm 
Capture sensitivity:-147dBm
WaterProof
IP68
Speaker/Mic
No
Anti Tamper
Yes
WIFI
Yes
Sim Card
Nano Sim
Blue tooth
4.2
Size
46*43*17mm
Functions
Functions
Details
Optional
Realtime tracking
GPS+WiFi+LBS+BDS+AGPS indoor and outdoor tracking
Supported
Tamperproof
Send alert to the tracking server when the strap is open
Supported
Waterproof
IP68
Supported
Geofence alert
Send alert to the tracking server when the watch enter/out of the Geofence arrange
Supported
Low battery alert
Send alert to the tracking server when the battery is less than 5%
Supported
One touch SOS alert
Send GPRS alert with location data to the tracking system
Supported
Graphic report
Alarm reports
Supported
Text push
Push the text message from the tracking server and show on the watch screen
Supported
Health Monitoring
Heart rate / Temperature Monitoring
Optional
Network Support
4G/3G/2G
Supported