環(huán)天BR-355基本規(guī)格產品類型GPS接收器操作系統(tǒng) 無數(shù)據(jù)接口 RS232無線連接 無AV接口無環(huán)天BR-355導航性能WAAS跟蹤性能 支持坐標基準 默認WGS-84環(huán)天BR-355接收性能接收機20個信道定位時間(s)冷開機:42秒，暖開機:38秒，熱開機:1秒s水平精度10米動態(tài)性能高度：18,000公尺(60,000?)最高，速率：515公尺/秒(10,000knots)最大，重力：小于4G，搖晃：20公尺/秒 3速度精度0.1m/s數(shù)據(jù)輸入NMEA,SiRF二進制數(shù)據(jù)輸出NMEA0183GGA，GSA，GSV，RMC，VTG，GLL差分模式DGPS環(huán)天BR-355屏幕顯示屏無屏幕尺寸無顯示點陣無顯示模式無背光顯示無環(huán)天BR-355電氣規(guī)格電源電壓(V)4.5V-6.5VDCinput，輸出電壓：0V-2.85V電池無電池使用時間 4小時環(huán)天BR-355外觀參數(shù)包裝內容使用手冊，保修卡等長度(mm)53mm直徑寬度(mm)無mm高度(mm)19.2mm重量(g)62.37g環(huán)天BR-355環(huán)境參數(shù)工作溫度(℃)-10-85℃存儲溫度(℃)-15-90℃ Features: SiRFstarⅢhighperformanceGPSChipSetVeryhighsensitivity(TrackingSensitivity:-159dBm)ExtremelyfastTTFF(TimeToFirstFix)atlowsignallevelSupportNMEA0183dataprotocolBuilt-inSuperCaptoreservesystemdataforrapidsatelliteacquisitionBuilt-inpatchantennaSuper-cohesivemagneticformountingonthecarWaterresistedandnon-sliponthebottomRS232interfaceconnectionportLEDindicatorforGPSfixornotfixLEDOFF: Receiverswitchoff LEDON: Nofixed,Signalsearching LEDFlashing: PositionFixed Specification: GeneralChipset SiRFStarⅢ Frequency L1,1575.42MHzC/Acode 1.023MHzchiprateChannels 20channelall-in-viewtrackingSensitivity -159dBm AccuracyPosition 10meters,2DRMS 5meters,2DRMS,WAASenabledVelocity 0.1m/sTime 1ussynchronizedtoGPStime DatumDefault WGS-84 AcquisitionTimeReacquisition 0.1sec.,averageHotstart 1sec.,averageWarmstart 38sec.,averageColdstart 42sec.,average DynamicConditionsAltitude 18,000meters(60,000feet)maxVelocity 515meters/second(1000knots)maxAcceleration Lessthan4gJerk 20m/sec**3 PowerMainpowerinput 4.5V~6.5VDCinputPowerconsumption 42mA ProtocolElectricallevel Outputvoltagelevel:0V~2.85VBaudrate 4,800bps Outputmessage NMEA0183GGA,GSA,GSV,RMC,VTG,GLL PhysicalCharacteristicsDimension 53mmdiameter,19.2mmheightCableLength 65＂ Operatingtemperature -30℃to+85℃ PinAssignment Pindescription *VIN(DCpowerinput): ThisisthemainDCsupplyfora4.5V~6.5DCinputpower. *TX: Thisisthemaintransmitschannelforoutputtingnavigationandmeasurementdatatouser snavigationsoftwareoruserwrittensoftware. *RX: ThisisthemainreceivechannelforreceivingsoftwarecommandstotheengineboardfromSiRFdemosoftwareorfromuserwrittensoftware. *GND:GNDprovidesthegroundfortheengineboard.Connectallgrounds.