Manufacturer | Model | Type | I/O | Battery | Communication Methods |
---|---|---|---|---|---|
Queclink | GL521MG | GPS | Yes - Internal Battery | TCP/ UDP/ SMS |
LTE Specifications
Operating Band | Cat M1/Cat NB2: Cat M1: LTE-FDD: B1/B2/B3/B4/B5/B8/B12/B13/ B18/B19/B20/B25/B26/B27/B28/B66/B85 Cat NB2: LTE-FDD: B1/B2/B3/B4/B5/B8/B12/B13/ B18/B19/B20/B25/B28/B66/B71/B85 EGPRS: 850/900/1800/1900 MHz |
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 Multislot Class 33 (33 by default) EDGE Multislot Class 33 (33 by default) |
GNSS Specifications
GPS Type | u-blox All-in-One GNSS Receiver |
Sensitivity | Autonomous: -147 dBm Cold Start Hot Start: -156 dBm Reacquisition: -160 dBm Tracking: -162 dBm |
Position Accuracy (CEP) | Autonomous: < 2.5m |
TTFF (Open Sky) | Cold Start: Average 27s Hot Start: Average 27s Warm Start: Average 1s |
General Specifications
Dimensions | 87 × 51 × 30 mm 3.43" (L) × 2.01" (W) × 1.18" (H) 87 × 51 × 33.5 mm 3.43" (L) × 2.01" (W) × 1.32" (H) (Magnetic Mounting Version) |
Weight | 150 g (5.29 oz) 170 g (6.0 oz) (Magnetic Mount Version) |
Backup Battery | Li-Polymer 3.7V/2400mAh |
Standby Time | Standby Current: < 10 µA 1 Report Per Day: 1 Year |
Wireless Charger Specifications | Input: Wireless Charging 5V/1A. Disclaimer: Use of unapproved chargers with Queclink products may damage the product and lead to battery failures, including the risk of intense heat and explosion. Queclink, its distributors, and affiliates will not bear responsibility for the damages described above. When using a third-party charger, you assume all responsibility for any risk, damage, or injury. |
Charging Method | Wireless Charging 5V/1A |
Waterproof | Meets IP67 |
Operating Temperature | -20℃ ~ +60℃ |
BLE | Supports BLE 5.2 Protocol |
Internal Temperature Sensor | For Temperature Monitoring Accuracy: ±1 ℃ |
Internal Light Sensor | For Tamper Detection |
Internal Motor | For Vibration Feedback After Successful Function Button Operation |
Magnetic Mounting Case (Optional) | For Easy Installation on Metal Surfaces |
Interfaces
Function Button | Used for Power On/Off and Checking Operating Status |
LTE Antenna | Internal Only |
GNSS Antenna | Internal Only |
BLE Antenna | Internal Only |
LED Indicators | GPS, CEL |
Wireless Interface Protocol
Command Set | @Track Protocol Command |
Transmission Protocol | TCP, UDP, SMS |
Operation Modes | Extended Standby Mode for Prolonged Standby Time Continuous Mode for Emergency Tracking |
Scheduled Reporting | Reporting Position and Status at Predefined Time Intervals |
Geofences | Supports Up to 20 Internal Geofence Regions |
Low-Power Alarm | Alarm When Internal Battery Is Low |
Wake-Up Report | Reports When the Device Wakes Up |
Motion Detection | Motion Detection Based on 3-Axis Internal Accelerometer |
Report Frequency Adjustment | Intelligent Report Frequency Adjustment |
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