LTE Micro Waterproof Standby Asset Tracker

1. Global LTE Cat M1/NB1 with 2G fallback using unique antenna solution

2. Up to 3 years of standby time

3. Micro size allowing covert installation

4. Waterproof, IP67 compliant

5. Supports BLE 5.2

6. Ideal for stolen vehicle recovery and asset monitoring

The GL50MG is the LTE version of the Queclink GL50B Lite with more features. Adding a programmable button makes it ideal for applications requiring rapid emergency alert or checking status of device. Its built-in BLE allows connectivity to diverse wireless accessories. Micro-sized waterproof design allows it to be used in harsh environments. It lasts for up to three years and features one of the longest battery lives among LTE devices of its size in the market. The GL50MG is an ideal product for SVR application requiring LTE technology. In addition, it is also used for a wide range of applications including auto financing, asset monitoring, car rental and leasing and more.


FCC, Verizon, Anatel

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LTE Specifications

Operating Band Cat M1/Cat NB1:
LTE-FDD: B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B28
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 (33 by default)
EDGE multi-slot class 33 (33 by default)

GNSS Specifications

GNSS Type All-in-One GNSS receiver
Sensitivity Autonomous: -148 dBm
Hot start: -163 dBm
Tracking: -165 dBm
Position Accuracy (CEP) < 2m
TTFF (Open Sky) Cold start: 31s average
Warm start: 28s average
Hot start: 1s average

General Specifications

Dimensions 64.6 × 51 × 20.9mm
2.54’’(L) × 2.0’’(W) × 0.82’’(H)
Weight 75g (2.65oz)
Internal Battery Lithium manganese dioxide battery, 2400mAh
Standby Time BLE Off Mode
Standby current: 65μA
1 report per day: Up to 3 years
4 reports per day: Up to 1 year
5 minutes’ reporting: 6 days
Waterproof IP67 compliant
Operating Temperature -20℃ ~ +60℃
BLE (Optional) Support BLE 5.2 protocol


Power Button Used for power on/off, emergency alert and working status checking
Cellular Antenna Internal only
GNSS Antenna Internal only
BLE Antenna Internal only
SIM Access Internal only (3FF SIM)
LED Indicators Status, GNSS

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
Low Power Alarm Alarm when internal battery is low
Wakeup Report Wake up at preset intervals
Motion Detection Motion detection based on internal 3-axis accelerometer
Reporting Frequency Adjustment Intelligent adjustment of reporting frequency


Product-Related Files

GL50MG Flyer(EN)

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