Queclink GV75W - 1 Introduction; Reference; Terms and Abbreviations

GV75WUserManual  
TRACGV75WUM001 ‐6‐
1. Introduction
TheGV75WisacompactwaterproofGPStrackerdesignedforawide variety of vehicle tracking
applications.It hasmultipleI/O interfaces thatcan beusedfor monitoringor controlling external
devices. Its built‐in GPS receiver has superior sensitivity and fast time to first fix. Its triple band
WCDMAsubsystemsupportsUMTS/HSDPA850(BandV)/1900(BandII)/2100(BandI)MHzandquad
bandGSM/GPRS850/900/1800/1900MHz,allowingtheGV75W'slocationtobemonitoredinreal
timeorperiodicallytrackedbyabackendserverandmobiledevices.Itsbuilt‐in3‐axisaccelerometer
allows motion detection and extends battery life through sophisticated power management
algorithms.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,geo‐fenceboundarycrossings,drivingbehavior,lowbatteryandscheduledGPSfix.
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1.1. Reference
SN DocumentName Remark
[1] GV75W@TrackAirInterfaceProtocol The air protocol interface between
GV75Wandbackendserver.
[2] @TrackAirInterface
f
or Garmin‐FMI
Protocol
Table1:Reference
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1.2. TermsandAbbreviations
Abbreviation  Description
DIN DigitalInput
DOUT DigitalOutput
GND Ground
LATCH_OUT LatchedDigitalOutputs
IGN Ignition
USB_VBUS
USBpowerconnector
USB_DM
USBdigitalnegative
USB_DP
USBdigitalpositive
RXD ReceiveData
TXD TransmitData
Table2:TermsandAbbreviations
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