GV57MG User Manual
TRACGV57MGUM001
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1. Introduction
GV57MG is a mini GNSS tracker designed for a wide variety of vehicle tracking
applications. Its built-in GNSS receiver has superior sensitivity and fast time to first fix.
The device boasts an IP67 compliant waterproof case. Its built-in Bluetooth can be
used for data transmission. It supports LTE Cat M1/NB2 network on multiple bands for
operation globally with a fallback to EGPRS.
1.1Reference
Table 1: GV57MG Protocol Reference
SN Document Name
Remark
[1]
GV57MG @Track Air Interface
Protocol
The air protocol interface between
GV57MG 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
