GPSModuleGPSEngineBoardGPS模块 Ct-T30isahighsensitivity,lowpowerGPSengineboard.ItcanbebasedonSiRFstarIIIGPSreceivermodule.12or20channels All-in-View tracking.Antennaconnector:MMCXtypeDimension:40x30x7mm TechnicalSpecification:FeatureItemDescriptionGeneralFrequencyL1,1575.42MHzC/Acode1.023MHzchiprateChannels20AccuracyPosition10meters,2DRMS5meters2DRMS,WAAScorrected 5meters(50%)Velocity0.1meters/secondTime1microsecondsynchronizedtoGPStimeDatumDefaultWGS-84OtherselectableforotherDatumTimetoFirstFix(TTFF)(opensky stationaryrequirements)Reacquisition0.1sec.,averageHotstart1sec.,averagetypicalTTFFWarmstart38sec.,averagetypicalTTFFColdstart42sec.,averagetypicalTTFFSnapstart1sec.,averageDynamicConditionsAltitude18,000meters(60,000feet)max.Velocity515meters/second(1000knots)max.Acceleration4g,max.Jerk20meters/sec.3max.PowerMainpower+3.3~5.0VPowerconsumption165mW(continuousmode)SupplyCurrent 49mABackupPower1.65~5.0VDCinputSerialPortElectricalinterfaceTwofullduplexserialTTLProtocolNMEA-0183@4800bps(default)Time-1PPSPulseLevelTTLPulsedurationThe1PPSpulsewidthis1 s,this1PPSisNOTsuitedtosteervariousoscillators(timingreceivers,telecommunicationssystem,etc.TimereferenceAtthepulsepositiveedgeMeasurementsAlignedtoGPSsecond, 1microsecondGPSModuleGPSEngineBoardGPS模块 Ct-T30isahighsensitivity,lowpowerGPSengineboard.ItcanbebasedonSiRFstarIIIGPSreceivermodule.12or20channels All-in-View tracking.Antennaconnector:MMCXtypeDimension:40x30x7mm TechnicalSpecification:FeatureItemDescriptionGeneralFrequencyL1,1575.42MHzC/Acode1.023MHzchiprateChannels20AccuracyPosition10meters,2DRMS5meters2DRMS,WAAScorrected 5meters(50%)Velocity0.1meters/secondTime1microsecondsynchronizedtoGPStimeDatumDefaultWGS-84OtherselectableforotherDatumTimetoFirstFix(TTFF)(opensky stationaryrequirements)Reacquisition0.1sec.,averageHotstart1sec.,averagetypicalTTFFWarmstart38sec.,averagetypicalTTFFColdstart42sec.,averagetypicalTTFFSnapstart1sec.,averageDynamicConditionsAltitude18,000meters(60,000feet)max.Velocity515meters/second(1000knots)max.Acceleration4g,max.Jerk20meters/sec.3max.PowerMainpower+3.3~5.0VPowerconsumption165mW(continuousmode)SupplyCurrent 49mABackupPower1.65~5.0VDCinputSerialPortElectricalinterfaceTwofullduplexserialTTLProtocolNMEA-0183@4800bps(default)Time-1PPSPulseLevelTTLPulsedurationThe1PPSpulsewidthis1 s,this1PPSisNOTsuitedtosteervariousoscillators(timingreceivers,telecommunicationssystem,etc.TimereferenceAtthepulsepositiveedgeMeasurementsAlignedtoGPSsecond, 1microsecond