The TR40 is a 4G GPS ankle monitor for sale, offering unparalleled connectivity and coverage. This prisoner tracker bracelet uses GPS tracking to establish virtual boundaries and alerts authorities if the wearer attempts to leave the designated area. It is a trusted solution employed by law enforcement agencies and correctional facilities worldwide to ensure compliance and public safety.

Advantage

1. Being suitable for Global 4G network in worldwide.

2. Supporting GPS, AGPS, LBS and Wifi for outdoor and indoor precise tracking.

3. Supporting alert of tampeproof, geofence, offline and low battery.

4. IP67/ 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.

Specification
Main chip-set
SL8521E(1.3GHZ)
Dual-core ARM Cortex A53 processor
Speaker/Mic
Yes
OS
Android
LED
Showing charging status, power level
Network bands (1)
 FDD: Band 1\3\7\8\20 TDD: Band38\39\40\41(100M)
WCDMA: Band 1\3\5\8 
GSM: Band 2\3\5\8
Network bands (2)
FDD: Band 2\4\5\7\12 or 17
WCDMA2\4\5
GSM: Band 2\3\5\8
Sim card type
Nano SIM
Charger
Magnetic charger  5V/1A
Portable Charger (optional) 
Memory
NAND+LPDDR2 4Gb+4GB
Battery
Ankle tracker: 4000 mAh
Portable charger power bank 5000 mAh  ( optional )
GPS
High sensitive GPS chip
Battery life
More than 7 days
GPS frequency
GPS L1, 1575.42MHz
Waterproof
IP67 / IP68
GPS Antenna
LDS
Strap Material
Medical TPU
GPS sensitive
Tracking sensitivity:-165dBm 
Capture sensitivity:-147dBm
SOS all and alert
Yes
TTFF(open sky)
Avg. hot start<5sec 
Avg. cold start<45sec
Tamper alert
Yes
WIFI
Yes
Size
81.92*70.00*22.88 cm
Blue tooth
BLE4.2
Strap size
23.00 cm
Functions
Real-time tracking
GPS+WiFi+LBS+AGPS indoor and outdoor tracking
Location History
Keep more than one year location history and play back any time
Tamper proof
In case the user break the device, it will send the voice alarm from the device, and the alarm message will be sent to the server by mobile network.
Geofence alarm
Send alert to the tracking server when the watch enter/out of the Geofence arrange
Low battery alarm
Low battery alarm
Offline alarm
Send alarm to the server when device is offline
Water proof
IP67 / IP68 water proof
Portable charge
Portable power bank charge the device (optional)
SOS button
SOS, answer calls
Enrolment
Register new tracking user
Discharge
Discharge users
Alarm Reports
Graphic report
Geofence report
Geofence list report

The TR40 is widely recognized as a leading home arrest monitor in the industry. Its robust features and extensive connectivity options, including 4G support, enable seamless communication between the device and monitoring centers. This ensures prompt alerts and notifications whenever a violation occurs, granting authorities the abili

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