Queclink QSZTRACGL50MGUM0100 GNSS Tracker User Manual
- June 5, 2024
- Queclink
Table of Contents
GL50MG User Manual
EGPRS/LTE Cat-M1/LTE Cat-NB1/GNSS Tracker
QSZTRACGL50MGUM0100
Version: 1.00
| Document Title | GL50MG User Manual |
|---|---|
| Version | 1.00 |
| Date | 2020-08-25 |
| Status | Released |
| Document Control ID | QSZTRACGL50MGUM0100 |
General Notes
Queclink offers this information as a service to its customers, to support
application and engineering efforts that use the products designed by
Queclink. The information provided is based upon requirements specifically
provided to Queclink by the customers. Queclink has not undertaken any
independent search for additional relevant information, including any
information that may be in the customer’s possession. Furthermore, system
validation of this product designed by Queclink within a larger electronic
system remains the responsibility of the customer or the customer’s system
integrator. All specifications supplied herein are subject to change.
Copyright
This document contains proprietary technical information which is the property
of Queclink. Copying of this document, distribution to others or using or
communication of the contents thereof is forbidden without express authority.
Offenders are liable to the payment of damages. All rights are reserved in the
event of a patent grant or the registration of a utility model or design. All
specifications supplied herein are subject to change without notice at any
time. Copyright © Queclink Wireless Solutions Co., Ltd. 2020
Revision History
| Revision | Date | Author | Description of Change |
|---|---|---|---|
| 1.00 | 2020-08-25 | Hey Lin | Initial |
Introduction
GL50MG is an IP68 waterproof GNSS tracker that features up to 3 years of
standby time powered by internal batteries and supports wireless charging. The
device is ideal for lot management and other tracking applications that
require real-time monitoring on temperature and light. GL50MG supports LTE Cat
M1/NB1 network on multiple bands for operation in America, Europe, and Oceania
with a fallback to GPRS.
1.1. GL50MG Product
Table 1. GL50MG Product
| Model No. | Region | Technology | Operating Band (MHz) |
|---|---|---|---|
| GL50MG | Worldwide | eMTC/NB-IoT | GSM: GSM850/PCS1900 LTE-FDD: |
B2/84/B5/B12/B13/826
1.2. Reference
Table 2. GL50MG Protocol Reference
| SN | Document Name | Remark |
|---|---|---|
| [1] | GL50MG @Track Air Interface Protocol | The air interface protocol between |
GL50MG and backend server
1.3. Terms and Abbreviations
Table 3. GL50MG Terms and Abbreviations
| Abbreviation | Description |
|---|---|
| RDX | Receive Data |
| TXD | Transmit Data |
| GND | Ground |
Product Overview
2.1. Product Appearance
Figure 1. GL50MG Product View
2.2. Key Description
Table 4. GL50MG Key Description
Key Functions| To power on: Long press for more than 3 seconds To check the
device status: Press the key for one time
To power off (needs to be configured): Long press for more than 3s after power
on
---|---
2.3. LED Description
There are two LEDs on GL50MG. They can work separately and in combination to
indicate the status of the device. For the details of when they work
separately, please see the table below:
Table 5. GL50MG LED Description (work separately)
| LED | Event | State |
|---|---|---|
| Status LED (Green) | Searching network | Fast flash |
| The device has been registered on the network | Slow flash | |
| SIM is locked by a PIN | Solid on | |
| Network modem off | Solid off | |
| GPS LED (Blue) | GPS is in the process of fixing | Fast flash |
| GPS is on and GPS gets fixed | Slow flash | |
| GPS off | Solid off |
Fast flash: 100ms on/200ms off
Slow flash: 200ms on/1000ms off
Note: The LEDs will be on about 5 minutes after power on. After that,
they will always be off. When they work in combination, the details are
described as below:
Table 6. GL50MG LED Description (work in combination)
During power on| The STATUS LED will be on for about 5s, and then both the
LEDs will flash alternatively.
---|---
When checking the device status| Both the LEDs will be on to indicate the
device still works.
During power off| Both the LEDs will flash simultaneously to indicate the
device is being powered off.
2.4. Parts List
Table 7. GL50MG Parts List
| Name | Picture | Description |
|---|---|---|
| GL50MG Locater | | EGPRS/LTE Cat-M 1/LTE Cat-
NB1IGNSS Tracker
GL50MG Back Glue| | Used to install GL50MG
GL50MG Data Cable
(Optional)
| | USB data cable which can be used for firmware upgrade and configuration
Interface Definition
GL50MG has an internal 4-pin connector. It can be used to configure the device. The definition of the pins is in the following table.
Table 8. Description of 4-pin Connections
| Index | Pin Name | Description |
|---|---|---|
| 1 | USB 5V | Not used |
| 2 | RDX | MCU UART RDX |
| 3 | TXD | MCU UART TXD |
| 4 | GND | Power and digital ground |
Getting Started
4.1. Opening and Closing the Case
To open/close the case: Unfasten or tighten the 4 screws at the backside.
4.2. Turning on/off the Device
To turn on: Long press the key for more than 3 seconds.
To turn off (needs to be configured): Long press for more than 3s after power
on.
4.3. Installing a SIM Card
Power off the device first and then install the SIM card.
Installation Precautions
- Firmly install the device to a reliable surface to prevent falling off.
- Make the side with antenna face sky to have better signal reception.
- Do not install the device under the metal surfaces or in enclosed environments having difficulty in getting GPS and network signals.
Troubleshooting and Safety Info
6.1. Troubleshooting
Table 9. GL50MG Troubleshooting List
| Trouble | Possible Reason | Solution |
|---|---|---|
| After the device is turned on, the Status LED always flashes quickly. | The | |
| signal is too weak. The device isn’t registered to the network. | Please move |
the device to a place with good network coverage.
Messages can’t be
reported to the backend server by the network.| APN is not right.| Ask the
network operator for the right APN.
The IP address or port of the backend server is wrong.| Make sure the IP
address for the backend server is an identified address in the internet.
There is no response from UART when the device is configured by using UART.|
The port is not ready or the device is not powered on.| Please check the port
and the device to ensure they are working properly.
The device can’t get a GPS fixed.| The GPS signal is weak.| Move the device to
a place under the open sky.
It is better to make the side with the antenna face the sky.
6.2. Safety Info
- Do not disassemble the device by yourself.
- Do not put the device in an overheated or too humid place, and avoid exposure to direct sunlight. Too high a temperature will damage the device or even cause a battery explosion.
- Do not use the device on the airplane or near medical equipment.
Appendix: Supported Accessories
- GL50MG Data Cable (optional)
Bluetooth
The device role of Bluetooth could be Master and Slave. When the device role
is Slave, the device will provide the below services: device information
service, battery information service, and virtual serial port service. Other
devices can read or use these services after connecting devices. When the
device role is Master, the device will provide the below services: the other
devices can read or use the above services after connecting devices, connect
the designated device to read the data or related information of the
designated Bluetooth devices. After reading the data, the server can be
reported to the server by the corresponding message.
FCC Statement：
Any Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment. This
device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference,
and (2) this device must accept any interference received, including
interference that may cause undesired operation.
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with
a minimum distance 20cm between the radiator and your body.
Note: This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates uses and
can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
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