The following table describes the technical specifications of the GL520MG Asset Tracker:
LTE Specifications
Operating Band | Cat M1: |
Data Transmission | eMTC (DL) 588 Kbps |
EGPRS Specifications
Frequency | EGPRS 850 / 900 / 1800 / 1900 MHz |
Data Transmission | GPRS: (DL) 107 Kbps, (UL) 85.6 Kbps |
GNSS Specifications
GNSS Type | u-blox All-in-One GNSS receiver |
Sensitivity | Autonomous: -147 dBm |
Position Accuracy (CEP) | Autonomous: < 2.5m |
TTFF (Open Sky) | Cold start: 27s average |
General Specifications
Dimensions | 87 × 51 × 30mm |
Weight | 140g (4.94oz) |
Backup Battery | 3 CR123A lithium batteries, 1400 mAh |
Standby Time | Standby current: < 8 µA |
Waterproof | IP67 compliant |
Operating Temperature | -20℃ ~ +60℃ |
Internal Temperature Sensor | For temperature monitoring |
Internal Light Sensor | For tamper detection |
Internal Motor | For vibration feedback after successful operation of function button |
Magnetic Mounting Case (Optional) | For easy installation on metal surface |
Buffer Messages | Up to 10,000 buffer messages |
BLE* | Support BLE 5.0 |
GL520MG Technical Specifications
Air Interface Protocol
Command Set | @Track protocol command |
Transmit Protocol | TCP, UDP, SMS |
Working Modes | Power saving mode for long standby time |
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 |
Interfaces
Function Button | Used for power on/off and working status checking |
BLE Antenna* | Internal only* |
LTE Antenna | Internal only |
GNSS Antenna | Internal only |
LED Indicators | GNSS,Status |
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