GL502MG User Manual
QSZTRACGL502MGUM0100
2
1.
Introduction
GL502MG is an IP68 waterproof GNSS tracker that features up to 3 years standby time powered
by internal batteries and supports Wi-Fi. The device is ideal for lot management and other
tracking applications that require real-time monitoring. GL502MG supports LTE Cat M1/NB2
network on multiple bands for operation in America, Europe, and Oceania with a fallback to
GPRS.
1.1.
GL502MG Product
Table 1.
GL502MG Product
Model No.
Region
Technology
Operating Band (MHz)
GL502MG
Worldwide
eMTC/NB-IoT
GSM:GSM850/GSM900/
DCS1800/PCS1900
LTE-TDD: B39 (for Cat.M1 only)
LTE-FDD:
B1/B2/B3/B4/B5/B8/B12/B13/B
18/B19/B20/B25/B28
1.2.
Reference
Table 2.
GL502MG Protocol Reference
SN
Document Name
Remark
[1]
GL502MG @Track Air
Interface Protocol
The air interface protocol between GL502MG and
backend server
1.3.
Terms and Abbreviations
Table 3.
GL502MG Terms and Abbreviations
Abbreviation
Description
RXD
Receive Data
TXD
Transmit Data
GND
Ground
Queclink
Confidential
