





Waterproof IP66 Vehicle GPS Tracker GT851 | GreatWill
Great Will GT851 GPS Tracker is an efficient vehicle management device that supports multiple interfaces for external device expansion. Equipped with a variety of positioning modules, it enables precise vehicle tracking and management, remote engine control for vehicle safety, and compatibility with common protocols for easy system integration. It also features eight alarm systems that provide real-time feedback on vehicle abnormalities.
- BDS+GPS+GLONASS+Galileo
- 4G+2G Full Network Access
- Geo-fence Alarm
- Real-time Location Tracking
Wide Voltage, SOS Alarm -- GT851
GT851 adopts a waterproof design to ensure that the product remains reliable even in harsh environments. It supports panic button and in-car conversation monitoring in emergencies.GT851 product is.ideal for stolen vehicle recovery, light vehicle management and other basictracking applications.
Multiple Alarm Systems
Overspeed Alarm / Electronic Fence Alarm / Vibration Alarm / SOS Alarm
Remote Fuel and Power Cut-off
By connecting to the vehicle's fuel and electrical systems, administrators can remotely send commands via a mobile app or management platform to cut off fuel and power, effectively controlling vehicle movement. This can be used for vehicle theft prevention and illegal vehicle use prevention.
Common Protocols
The GT851 8-wire GPS tracker supports multiple communication protocols, such as TCP, SMS, and MQTT. These protocols enable compatibility and communication with various management platforms and systems, making it easy for users to select the appropriate management software based on their needs and facilitating system integration and expansion.
Emergency Button (SOS Alarm)
In an emergency, pressing the emergency button on the GPS tracker triggers the SOS alarm. The tracker will then send its real-time location to emergency contacts or relevant rescue platforms, helping rescuers quickly and accurately locate the user and improving rescue efficiency.
Technical Specifications
| Specification | GT851 |
| Network | 4G LTE Cat-1 + 2G GSM |
| Working Voltage | DC 9V - 90V |
| Dimensions | 83mm * 38mm * 14mm |
| Location Accuracy | <2 Meters |
| Positioning Systems | BDS + GPS + GLONASS |
| Standby Current | <38mA @ 12V |
| Standby Battery | 80mAh / 3.7V |
| Working Temperature | -20°C to +70°C (-4°F to 158°F) |
| Waterproof Rating | IP66 |
| Weight | 46g |
| Interface | 4-Pin / 8-Pin (Optional) |
| Alert Types | SOS, Overspeed, Vibration, Low Power, Geo-fence |
Main Features
Real-time Tracking
Remote Cut-Off
IP66 Waterproof
Geo-Fence
DC 9-90V
GT851 Car GPS Tracker 4G+2G Applicable Scenarios
Motorcycle and Electric Vehicle Management
Motorcycle and Electric Vehicle Management
Click HereFleet Management
Fleet Management
Click HereCar Rental and Ride-sharing
Car Rental and Ride-sharing
Click HereBulk GPS Tracking Devices Ready-to-Ship
GREAT-WILL specializes in GPS tracker wholesale. We maintain a regular stock of market-proven devices to quickly fulfill orders for vehicle trackers, asset trackers, and heavy equipment monitors. We support OEM/ODM and customization services. Whether for your own business or for resale, the GT851 offers exceptional quality and value.
After-sales service and Warranty
- Provide after-sales technical support and product testing
- Continuously adjust products to suit local conditions and vehicles
- Warranty period up to 3 years
Delivery Time and Shipping
- Sample delivery time is approximately 3-5 days.
- Large-volume orders take over 7 days.
- The device/platform software/SIM/IoT card undergo engineering inspection and testing before packaging and shipment.
- Multiple shipping methods supported.
The reasons for choosing the GT851 GPS tracker are as follows:
High Positioning Accuracy: Utilizing BDS+GPS+GLONASS+Galileo multi-mode positioning technology, it offers positioning accuracy of less than 2 meters, providing users with precise location information and meeting the needs of various scenarios requiring high positioning accuracy.
Wide Compatibility: Operating voltage ranges from DC 9-90V. This wide voltage range allows it to be used in a variety of vehicles, including cars, motorcycles, and electric vehicles, eliminating the need to worry about device malfunctions due to voltage mismatches.
Excellent Waterproofing: With an IP66 waterproof rating, this design effectively prevents moisture from entering the device, preventing circuit damage and extending its service life, allowing it to operate normally in a variety of harsh conditions, including rainy and humid environments.
Rich Functionality: It supports a variety of alarm functions, including overspeed alarm, electronic fence alarm, and vibration alarm. It also features remote control for fuel and power cutoffs and an emergency button (SOS alarm), meeting diverse needs such as vehicle anti-theft, security monitoring, and remote management.



