Introduction
Overview
The AQ-300 SmartAntenna isatotalsolution GPS receiver,designed
based on SiRFStarII Architecture.TheAQ MaxGPStechnologyisa
lowpower(70mA), costeffectiveandeasy integration GPSsystem. This
positioningapplication meetsstrictneedssuchascarnavigation,
mapping,surveying, security, agricultureandsoon.
Onlyclearviewof sky andcertainpowersupplyarenecessarytothe
unit. It communicateswithotherelectronicutilitiesviacompatible
dual-channelthroughRS-232orTTLandsavescriticalsatellitedataby
built–inbackupmemory.AQ-300 tracks upto12 satellitesatatime,
reacquiressatellitesignalsin100msandupdatespositiondataevery
second.Asleepingmodewill savepowerconsumptiondramaticallyto
allowcriticallowpowerapplications.
Features
The AQ-300providesahostoffeaturesthatmakeit easy forintegration
anduse.
1. SiRFStarII chipsetwithembeddedR3000level, MIPS Iclass,32-bit
RISCprocessoravailableforcustomizedapplicationsinfirmware.
2.High performancereceivertracks upto12satelliteswhileproviding
firstfastfixandlowpowerconsumption.
3.Differentialcapabilityutilizesreal-timeRTCMcorrectionsproducing
1-5meterposition accuracy.
4.Compact designidealforapplicationswithminimalspace.
5.Arechargeablebatterysustainsinternalclockandmemory. It is
rechargedduringnormaloperation.
6.Userinitializationisnotrequired.
7.Dualcommunicationchannelsanduserselectablebaudratesallow
maximuminterfacecapabilityandflexibility.
8.Optionalcommunicationlevels, RS-232andTTLmeetordinary
applicationandnewfashionsof connecting PDAwithTTLorRS-232
output.
9.FLASHbasedprogrammemory:Newsoftwarerevisionsupgradeable
throughserialinterface.
10.LEDdisplaystatus: The LEDprovidesusersvisiblepositioningstatus.
LED“ON”whenpowerconnectedand“BLINKING”whenAQ-300
position identified. Nomoreextradeviceisneeded.
11.Built-inWAASdemodulator.
12.Built-inmagnetsforusingon topofthecar.
13.Waterproof (1meter) designforall weather.
