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ET-662Version2.11.ProductInformation„ProductName:ET-662„ProductDescription:ET-662isacompact,highperformance,andlowpowerconsumptionGPSengineboard.ItusesSiRFStarIIIchipsetwhichcantrackupto20satellitesatatimeandperformfastTTFFinweaksignalenvironments.ET-662issuitableforthefollowingapplications:‧Automotivenavigation‧Personalpositioning‧Fleetmanagement‧Mobilephonenavigation‧Marinenavigation„ProductFeatures:9SiRFstarIIIhighperformanceGPSChipset9Veryhighsensitivity(TrackingSensitivity:-159dBm)9ExtremelyfastTTFF(TimeToFirstFix)atlowsignallevel9Twoserialports94Mbflash9Built-inLNA9Compactsize(22.4x17x3mm)suitableforspace-sensitiveapplication9Onesizecomponent,easytomountonanotherPCBboard9SupportNMEA0183andSiRFbinaryprotocol„ProductSpecificationsGPSReceiverChipsetSiRFGSC3f/LPxFrequencyL1,1575.42MHzCodeC/ACodeProtocolNMEA0183v2.2Default:GGA,GSA,GSV,RMCSupport:VTG,GLL,ZDA)SiRFbinaryandNMEACommandAvailableBaudRate4,800to57,600bpsadjustableTheSpecificationsaresubjecttobechangedwithoutnotice.Copyright©2007,GlobalSatTechnology.Page2of23ET-662Version2.1Channels20Flash4MbitSensitivityTracking:-159dBmColdStart42seconds,averageWarmStart38seconds,averageHotStart1second,averageReacquisition0.1second,averageAccuracyPosition:10meters,2DRMS5meters,2DRMS,WAASenabledVelocity:0.1m/sTime:1ussynchronizedtoGPStimeMaximumAltitude＜18,000meterMaximumVelocity＜515meter/secondMaximumAcceleration＜4GUpdateRate1HzDGPSWAAS,EGNOS,MSASDatumWGS-84InterfaceI/OPins2serialportsPhysicalCharacteristicType28-pinstampholesDimensions22.4mm*17mm*3mm±0.2mmDCCharacteristicsPowerSupply3.3Vdc±5%BackupVoltage2.0~3.6VdcPowerConsumptionAcquisition:40mATracking:25mAEnvironmentalRangeHumidityRange5%to95%non-condensingOperationTemperature-40℃to85℃StorageTemperature-40℃to85℃TheSpecificationsaresubjecttobechangedwithoutnotice.Copyright©2007,GlobalSatTechnology.Page3of23ET-662Version2.12.TechnicalInformation„BlockDiagramTheSpecificat
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