Description and Technical Data:
1) Overview/Key Features
The Queclink GL521MG is a rechargeable LTE Cat M1/NB2 tracker with 2G fallback, designed for asset monitoring and lot management. It supports Qi wireless charging and BLE 5.2, and includes internal temperature and light sensors, a 3-axis accelerometer, and a function button. Its IP67-rated enclosure and clip-on mounting options suit applications including cold-chain logistics, warehouse management, cargo tracking, and monitoring high-value static assets. Standby time is estimated at up to one year when reporting once daily under the stated test conditions: LTE Cat M1/NB-IoT, signal quality above 15, 25°C ambient temperature, and no sensors operating.
Minimum orders may apply. B2B customers please contact Mirifica Industrial for volume quotes. Mirifica Industrial ships world-wide.
2) Tech Specs
| Specification | Detail |
|---|---|
| Cellular technology | LTE Cat M1 and Cat NB2; 2G fallback |
| LTE Cat M1 bands | FDD B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B26/B27/B28/B66/B85 |
| LTE Cat NB2 bands | FDD B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B28/B66/B71/B85 |
| EGPRS frequencies | 850/900/1800/1900 MHz |
| Dimensions | 87 × 51 × 30 mm; magnet-mounted version: 87 × 51 × 30.5 mm |
| Weight | 150 g; magnet-mounted version: 170 g |
| Operating temperature | −20°C to +60°C |
| Ingress protection | IP67 |
| Battery | 3.7 V, 2,400 mAh Li-Polymer |
| Standby current | <10 µA |
| Standby time | Up to 1 year at one report per day under stated test conditions |
| Charging | 5 V/1 A wireless charging |
| Temperature sensor | Internal; ±1°C accuracy |
| Light sensor | Internal; tamper detection |
| Motion sensor | Built-in 3-axis accelerometer |
| Bluetooth | BLE 5.2 |
| GNSS receiver | u-blox all-in-one receiver; GPS, GLONASS, Galileo, BeiDou |
| GNSS time to first fix | Cold start: 27 s average; hot start: 1 s average |
| GNSS sensitivity | Cold start: −147 dBm; hot start: −156 dBm; tracking: −162 dBm |
| GNSS position accuracy | Autonomous: <2.5 m CEP |
| Antennas | Internal cellular, GNSS, and BLE antennas |
| Transmission protocols | TCP, UDP, SMS |
| Geofences | Up to 20 internal regions |
| Buffered messages | Up to 10,000 |
| Functions | Low-power alarm, motion detection, scheduled reports, wake-up reports, reporting-frequency adjustment, power-saving and continuous modes |
| Command set | @Track protocol |
| Cellular data rates | GPRS: downlink 107 Kbps, uplink 85.6 Kbps; EDGE: downlink 296 Kbps, uplink 236.8 Kbps |
| LTE data rates | eMTC: downlink 588 Kbps, uplink 1,119 Kbps; NB2: downlink 127 Kbps, uplink 158.5 Kbps; NB1: downlink 32 Kbps, uplink 70 Kbps |
3) Tech Support/Dokuments
Web available technical information usually covers cellular bands and data rates, GNSS performance, charging and battery life, temperature and tamper sensing, BLE, mounting options, geofences, and reporting modes. Standby-time estimates depend on the specified signal quality, ambient temperature, reporting interval, and sensor use. Fee-based technical support is available from Mirifica Industrial.
4) Related Product Suggestion
Queclink lists these related accessories: WKF300 BLE Key Fob, WBC300 BLE I/O Expander, Wireless Charger Kit, GL500M Magnetic Mounting Bracket, and GL500M Mounting Bracket. The Magnetic Mounting Case is optional for installation on metal surfaces.
5) Downloads/Links
6) What is in the package
- 1 x product