Long-term location tracking
Long-term location tracking.
GL51CG Queclink Asset GPS Tracker
GNSS Telematic Tracker
Order codeGL51CG In stockOfficial distributor
The GL51CG is a GNSS Telematic Tracker. By combining scheduled reporting with motion detection logic, the GL51CG can be configured to trigger alerts only when meaningful movement occurs.
- WirelessSupport BLE 5.4 protocol
- Power3.0 V DC
- Operating–20 … +60 °C
- Size58(L) × 57.2(W) × 25.9(H) mm
- In stockVilnius warehouse · EU
- In stockLondon warehouse · UK
Dispatch and lead time are confirmed in the quote.
- Official distributor
- 17+ years in IoT
- Installation support
Manufacturer warranty24 months
Overview
GL51CG overview
Core Purpose
The GL51CG is designed for long-term vehicle and asset tracking where wired power is not available. Its built-in high-capacity battery allows the device to operate for extended periods while remaining hidden inside vehicles or assets. This makes it well suited for recovery and protection use cases.
Connectivity
The device uses LTE Cat 1 connectivity to send location and status data over cellular networks. It supports scheduled reporting, allowing updates to be sent at predefined intervals. Remote OTA control enables configuration changes without physical access to the device.
Tracking
The GL51CG uses multi-constellation GNSS to provide reliable location tracking in different environments. This improves positioning consistency when assets are moving or parked in challenging locations. Location data is reported based on time schedules or triggered events.
Power and Protection
A 7000mAh internal battery enables ultra-long standby operation, especially in power-saving modes. The device is built for everyday vehicle environments and operates across a wide temperature range. Low-power design helps extend service life without frequent maintenance. An internal motion sensor detects movement and impact events. These events can trigger alerts when unexpected motion occurs, supporting theft detection and recovery workflows. Power-on and low-battery reports help maintain visibility into device status.
Key features
Event-based motion detection
Event-based motion detection.
Impact and movement alerts
Impact and movement alerts.
Scheduled status reporting
Scheduled status reporting.
Remote device control
Remote device control.
7000mAh internal battery
7000mAh internal battery.
Compact 58 × 57.2 ×
Compact 58 × 57.2 × 25.9 mm size.
LTE Cat 1 cellular connectivity
LTE Cat 1 cellular connectivity.
Technical data
GL51CG specifications
| General Specifications | |
|---|---|
| Dimensions | 58(L) × 57.2(W) × 25.9(H) mm |
| Weight | 102 g |
| Backup Battery | Li-MnO₂ Battery, 7000mAh |
| Standby Time | Continuous Mode: Without reporting: 90 days; 5 min reporting: 16 days. Power Saving Mode: 1 report per hour: 178 days; 1 report per day: 2160 days |
| Operating Voltage | 3.0 V DC |
| Operating Temperature | –20 °C ~ +60 °C |
| Buffer Messages | Up to 5000 buffer messages |
| BLE | Support BLE 5.4 protocol |
| Region | Global |
| Certification | FCC, CE, RoHS |
| GNSS Specifications | |
| Constellation Support | BDS, GPS, Galileo, GLONASS, QZSS |
| Sensitivity | Cold start: –149 dBm; Tracking: –165 dBm |
| Position Accuracy (CEP) | Autonomous: ≤2.0 m |
| TTFF (Open Sky) | Cold start: 29 s average; Hot start: 1 s average |
| LTE Specifications | |
| Operating Band | LTE FDD: B1 / B2 / B3 / B4 / B5 / B7 / B8 / B20 / B28 / B66 |
| Interfaces | |
| Cellular Antenna | Internal only |
| GNSS Antenna | Internal only |
| BLE Antenna | Internal only |
| LED Indicators | Red ×1 |
| Air Interface Protocol | |
| Scheduled Report | Report position and status based on preset time intervals settings |
| Low Power Alarm | Alarm when backup battery is low |
| Power On Report | Report when the device is powered on |
| Motion Detection | Motion alarm based on internal 3-axis accelerometer |
No specification rows match the filter.
Applications
GL51CG applications
Vehicle Security and Recovery
The GL51CG supports stolen vehicle recovery by providing long standby tracking and motion alerts. Its compact size allows discreet placement, helping reduce tampering risks.
Asset Tracking and Protection
For mobile or high-value assets, the device delivers reliable location updates over long periods. Scheduled reporting helps balance visibility with battery life.
Auto Finance and Leasing
The tracker enables location visibility for financed or leased vehicles. Battery-powered operation allows deployment without modifying vehicle wiring
Documentation
GL51CG downloads
Questions
GL51CG questions and answers
Can the GL51CG continue tracking if a vehicle’s main power is disconnected?
Yes. The GL51CG is fully self-powered using its internal high-capacity battery, allowing it to continue reporting location even if the vehicle battery is cut or disconnected. This makes it especially effective for theft recovery and repossession scenarios.
Does the GL51CG require professional installation?
Not necessarily. Because the GL51CG does not rely on vehicle power or ignition wiring, it can be quickly installed by non-technical staff. This lowers deployment costs and speeds up large-scale rollouts.
How does the GL51CG help prevent false theft alerts?
By combining scheduled reporting with motion detection logic, the GL51CG can be configured to trigger alerts only when meaningful movement occurs, reducing unnecessary notifications caused by minor vibrations or handling.
How is the GL51CG powered?
3.0 V DC, according to the specification.
What is the operating temperature of the GL51CG?
–20 … +60 °C, according to the specification.
What wireless does the GL51CG provide?
Support BLE 5.4 protocol, according to the specification.
Request a quote
GL51CG price and lead time
Tell us the quantity and the delivery country. We reply within one working day with the price, stock at the nearest warehouse and the dispatch date.
European headquarters+370 655 51654[email protected]
United Kingdom branch+44 7425 726932[email protected]
- Company code306755852
- VAT numberLT100017217417
- Official distributor
- 17+ years in IoT
- Installation support
Manufacturer warranty24 months
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