GV75MG User Manual
1.
Introduction
The GV75MG is a micro-type GSM and LTE GPS tracker designed for a wide variety of vehicle
tracking applications. It has I/O interfaces that can be used for monitoring or controlling external
devices. The built-in GPS receiver has superior sensitivity and fast initial positioning. Their
multiband LTE Cat-M1 and Cat-NB1 allow the GV75MG location to be monitored in real time or
periodically tracked by a backend server or mobile devices. System integration is straightforward
as complete documentation is provided for the full featured @Track protocol. The @Track
protocol supports a wide variety of reports including emergency alarm, geo-fence boundary
crossings, as well as external power supply monitoring and position reports.
1.1.
GV75MG Series Products
Table 1.
GV75MG Products
Model No.
Region
Technology
Operating Band (MHz)
GV75MG
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.
GV75MG Protocol Reference
SN
Document name
Remark
[1]
GV75M @Track Air Interface Protocol
The air protocol interface between
GV75MG and backend server.
1.3.
Terms and Abbreviations
Table 3.
GV75MG Terms and Abbreviations
Abbreviation Description
RXD
Receive Data
TXD
Transmit Data
OUT1
Output 1
OUT2
Output 2
IGN
Ignition
IN1
Input 1
GND
Ground
VIN
External DC Power Input
QSZTRACGV75MGUM0101 2
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