QuecLink - GL521MG

The QuecLink GL521MG is a LTE long standby tracker with wireless charging, designed for asset monitoring and lot management. It features global LTE Cat M1/NB2 connectivity with 2G fallback using a unique antenna solution, ensuring reliable and efficient communication. With up to 1 year of standby time, this tracker offers long-lasting performance without the need for frequent recharging. Additionally, it supports wireless charging, making it convenient and hassle-free to keep the device powered up.

The GL521MG is waterproof and compliant to IP67 standards, ensuring durability and protection against water damage. It is designed for rapid and flexible installation, with several mounting alternatives available. This tracker is ideal for a wide range of applications, including asset monitoring, cold chain logistics, warehouse management, cargo trucking, and high-value static asset monitoring. It is equipped with internal temperature and light sensors, allowing for environmental monitoring in various scenarios.

Key Features:

  • Global LTE Cat M1/NB2 with 2G fallback using unique antenna solution
  • Up to 1 year standby time
  • Supports wireless charging
  • Waterproof, compliant to IP67
  • Rapid and flexible installation
  • Ideal for asset monitoring and lot management

Technical Specifications:

  • LTE Specifications:
    • Operating Band: Cat M1/Cat NB2
    • Data Transmission: eMTC (DL) 375 Kbps, eMTC (UL) 375 Kbps, NB1 (DL) 32 Kbps, NB1 (UL) 70 Kbps
  • EGPRS Specifications:
    • Frequency: EGPRS 850 / 900 / 1800 / 1900 MHz
    • Data Transmission: GPRS multi-slot class 33, EDGE multi-slot class 33
  • GNSS Specifications:
    • GNSS Type: u-blox All-in-One GNSS receiver
    • Sensitivity: Autonomous: -147 dBm, Hot start: -156 dBm, Reacquisition: -160 dBm, Tracking: -162 dBm
    • Position Accuracy (CEP): Autonomous: < 2.5m
    • TTFF (Open Sky): Cold start: 27s average, Warm start: 27s average, Hot start: 1s average
  • General Specifications:
    • Dimensions: 87 × 51 × 30mm (3.43’’(L) × 2.01’’(W) × 1.18’’(H))
    • Weight: 150g (5.29oz)
    • Backup Battery: Li-Polymer 3.7V/2400mAh
    • Standby Time: Standby current: < 10 µA, 1 report per day: 1 year*
    • Wireless Charger Specifications: Input: 5V/1A wireless charging
    • Waterproof: IP67 compliant
    • Operating Temperature: -20℃ ~ +60℃
    • BLE Support: BLE 5.2 protocol
    • Internal Temperature Sensor: For temperature monitoring, Accuracy: ±1℃
    • Internal Light Sensor: For tamper detection and ambient light monitoring
    • Internal Motor: For vibration feedback after successful operation of function button
    • Magnetic Mounting Case (Optional): For easy installation on metal surface
  • Air Interface Protocol:
    • Command Set: @Track protocol command
    • Transmit Protocol: TCP, UDP, SMS
    • Working Modes: Power saving mode for long standby time, Continuous mode for emergency tracking
    • Scheduled Timing Report: Report position and status at preset time intervals
    • Geo-fences: Support up to 20 internal geo-fence regions
    • Low Power Alarm: Alarm when internal battery is low
    • Wakeup Report: Report when the device wakes up
    • Motion Detection: Motion detection based on internal 3-axis accelerometer
    • Reporting Frequency Adjustment: Intelligent adjustment of reporting frequency
This information only is for informational purposes only, Plaspy does not have relationship with the device's manufacturer, for more information check the manufacturer's website or user manual.

Set Up GL521MG


To set the tracker send the following commands by SMS messages, the sample setup the device password is z7DYKE3h, this password is the default

  1. Restore factory settings
  2. Set the time zone UTC-0
  3. Set the operator APN
  4. Set the GPRS server
  5. Set the update interval 60 seconds.
  6. Enable SOS button notification input 2