GT851 Professional GPS Tracking Device with App for Live Fleet Monitoring

The GT851 is a complete GPS tracking device with app for iOS & Android. Get reliable live tracking, remote control, and instant security alerts for your vehicles

Intuitive Mobile App Control

Intuitive Mobile App Control

Manage your entire fleet from our dedicated mobile app (iOS & Android). Access live tracking, history playback, and configure all device settings remotely.

Advanced Security & Control Interfaces

Advanced Security & Control Interfaces

Go beyond basic tracking with interfaces for critical security functions. Features include a dedicated SOS button, remote fuel/power cut-off, and voice monitoring.

Instant Security Alerts via App

Instant Security Alerts via App

Receive immediate push notifications for critical events like SOS button presses, geo-fence breaches, vibration alarms, and main power disconnects.

Remote Vehicle Immobilization

Remote Vehicle Immobilization

In case of theft or unauthorized use, securely disable the vehicle’s engine directly from the app using the remote fuel/power cut-off functionality.

Rugged Hardware for Any Environment

Rugged Hardware for Any Environment

The IP66 waterproof hardware with a 9-100V wide voltage range ensures the device operates reliably in any vehicle and under the harshest conditions.

Technical Specifications

Specification GT851
Dimensions 83mm x 38mm x 14mm
Weight 46g
Waterproof Rating IP66
Operating Voltage
9-100V DC
Backup Battery 80mAh / 3.7V Li-Polymer
Operating Temperature
-20°C to +70°C / -4°F to 158°F
Communication Module A7670
Network Bands
LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B20/B28/B66
GSM: 850/900/1800/1900MHz
GNSS Chipset ZKM AT6558R
Positioning System
BDS + GPS + GLONASS + Galileo
Position Accuracy <10Meters (1σ)
I/O Interfaces
Power+/-, ACC, Relay, SOS, Microphone
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We will contact you within 1 working day, please pay attention to the email with the suffix “@greatwill.com”

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