Queclink GL502MG

LTE Waterproof Tracker with 10-Year Standby Time 

Queclink Gl502MG 

The Queclink GL502MG represents a cutting-edge solution for asset tracking, specifically designed for trailers and containers. Engineered with an IP68 rating, it exhibits exceptional durability in demanding environments. Flexible installation options, encompassing simple placement, secure spiking, and magnetic mounting, facilitate seamless deployment. Equipped with a high-capacity 57000 mAh battery and user-replaceable options, the GL502MG minimizes maintenance requirements and ensures prolonged operational lifespan. Furthermore, advanced connectivity features, including Bluetooth Low Energy and Wi-Fi scanning, provide robust location tracking capabilities, even in challenging environments with limited GNSS signal availability.  

Rugged Durability

Long-lasting Power

Flexible Installation

 Key Features 

Robust Connectivity: Global LTE Cat M1/NB2 with 2G fallback ensures reliable communication using a unique antenna solution for optimal signal reception. 

Exceptional Battery Life: Up to 10-year standby time minimizes maintenance and maximizes operational efficiency. 

Rugged Durability: Waterproof and dustproof construction (IP68) withstands harsh environmental conditions. 

Advanced Connectivity: Supports Bluetooth Low Energy (BLE) 5.2 for seamless integration with other devices and Wi-Fi positioning for enhanced location accuracy. 

Tailored for Critical Applications: Ideal for tracking high-value assets, trailers, and containers, providing reliable and continuous monitoring. 

Eagle-IoT: The one-stop solution for managing your Queclink GL502MG Tracker

Technical Specification

LTE Specifications

Operating Band

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, 

Data Transmission

eMTC (DL) 375 Kbps 
eMTC (UL) 375 Kbps 
NB2 (DL) 127 Kbps 
NB2 (UL) 158.5 Kbps 
NB1 (DL) 32 Kbps 
NB1 (UL) 70 Kbps 

EGPRS Specifications

Frequency

EGPRS 850 / 900 / 1800 / 1900 MHz 

Data Transmission

GPRS: (DL) 107Kbps, (UL) 85.6Kbps 
EDGE: (DL) 296Kbps, (UL) 236.8Kbps 

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

250 × 58 × 61mm 

9.84’’(L) × 2.28’’(W) × 2.40’’(H) 

Weight

719g (25.36oz) 

Internal Battery

57000mAh, Lithium thionyl chloride battery 

Standby Time

1 report/ day : up to 10 years 
6 reports/ day : up to 6 Years 
5 minutes reporting: 3 months 

 
*The standby time is estimated under the condition of operating with LTE CAT M1/NB-IoT and the CSQ is greater than 15, working at a constant ambient temperature of 25°C and reporting once a day without any sensors. 

Operating Temperature

-20℃ ~ +60℃ 
 

BLE

Support BLE 5.2 protocol 

Buffer Messages

Up to 10,000 buffer messages 

Waterproof

IP68 compliant 

Internal Temperature Sensor

Built-in temperature sensor 

Interface


Battery Switch

Used for power on/off (Internal only) 

SIM Access

Internal only (3FF SIM) 

USB Type-C

Used for firmware upgrading and debug (Internal only) 

WiFi Antenna

 Internal only 

BLE Antenna

Internal only 

Cellular antenna

Internal only 

LED indication

CEL ,GNSS, PWR 

Air Interface Protocol

Working Modes

Power saving mode for long standby time 
Continuous mode for emergency tracking 

Command Set

Report position and status based on preset time intervals, distance, mileage or a combination of these settings 

Working Modes

 Support up to 20 internal geo-fence regions 

Scheduled Timing Report

Alarm when internal battery is low 

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

Intelligent adjustment of reporting frequency 

Queclink Gl502MG  Datasheet –

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