GV57MG V2 User Manual
TRACGV57MG V2UM001
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1. Introduction
The GV57MG V2 is a compact GNSS vehicle tracking device that supports EGPRS and
LTE Cat M1/NB2. It is designed for a wide variety of applications such as stolen vehicle
recovery, motorcycle monitoring and other basic tracking applications. The built-in GNSS
receiver has superior sensitivity and fast initial positioning. The full-featured @Track Air
Interface Protocol provides the complete documentation, so it's easy to learn system
integration. The protocol supports a wide variety of reports including emergency alarm,
geo-fence boundary crossings, external power supply monitoring and position reports.
1.1 Reference
Table 1: GV57MG V2 Protocol Reference
SN Document Name
Remark
[1]
GV57MG V2 @Track Air Interface
Protocol
The air protocol interface between
GV57MG V2 and backend server.
1.2 Terms and Abbreviations
Table 2: Terms and Abbreviations
Abbreviation Description
IN1
Digital Input1
VIN
External DC Power Input
GND
Ground
OUT
Digital Output
IGN
Ignition
Confidential
Queclink
