Queclink GL521MG User Manual

GL521MG User Manual
QSZTRACGL521MGUM0100
2
1. Introduction
GL521MG is an IP67 waterproof GNSS tracker that features up to 1-year standby time
powered by internal batteries and supports wireless charging. The device is ideal for asset
monitoring & lot management that require tamper detection & temperature monitoring.
GL521MG supports LTE Cat M1/NB2 network on multiple bands for operation in America,
Europe, and Oceania with a fallback to GPRS.
1.1. GL521MG Product
Table 1. GL521MG Product
Model No.
Region
Technology
LTE Category
Operating Band
GL521MG
Global
GSM/LTE
eMTC/NB-IoT
GSM850/GSM900/DCS1800/PCS1900
LTE-FDD:
B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/
B20/B25/B26/B27/B28/B66/B85
LTE-FDD:
B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/
B20/B25/B28/B66/B71/B85
1.2. Reference
Table 2. GL521MG Protocol Reference
SN
Document Name
Remark
[1]
GL521M Series @Track Air
Interface Protocol
The air interface protocol between GL521MG and
backend server
1.3. Terms and Abbreviations
Table 3. GL521MG Terms and Abbreviations
Abbreviation
Description
RXD
Receive Data
TXD
Transmit Data
GND
Ground

Queclink GL521MG Specifications

General

Brand	Queclink
Model	GL521MG
Category	GPS
Language	English