品名稱：GPS天線 產(chǎn)品介紹：*高增益*低噪聲*低電流*磁鋼安裝*GPS車載式天線 主要參數(shù)：中心頻率CenterFrequency1575.42MHz 3MHz電壓駐波比V.S.W.R1.5:1帶寬BandWidth 5MHz阻抗Impendence50ohm最高增益PeakGain＞3dBicBasedon7 7cmgroundplane增益范圍GainCoverage＞-4dBicat 90 ＜0＜+90 (over75%Volume)天線極化PolarizationRHCP 放大器/濾波器LNA/Filter放大器增益LNAGain(Withoutcable)28dBTypical噪聲系數(shù)NoiseFigure1.5dB濾波器帶外衰減FilterOutBandAttenuation(f0=1575.42MHZ)7dBＭinf0+/-20MHZ;20dBＭinf0+/-50MHZ;30dBＭinf0+/-100MHZ輸出電壓駐波比V.S.W.R＜2.0直流電壓DCVoltage3V,5V,3Vto5V或其他直流電流DCcurrent5mA，10mAMax 結(jié)構(gòu)Mechanical重量Weight＜105(克)gram外型尺寸Size35 33 13mm電纜CableRG1745meters或3meters連接器型號(hào)ConnectorSMA/SMB/SMC/BNC/FME/TNC/MCX/MMCX固定方式Mounting磁性Magneticbase/粘貼stiking外殼顏色Housing灰色Gray 黑色Black環(huán)境Environmental工作溫度WorkingTemp-40℃~+85℃振動(dòng)VibrationSinesweep1g(0-p)10~50~10Hzeachaxis濕度HumidityHumidity95%~100%RH防水Weatherproof100%Waterproof