GPS天線：一、天線特性AntennaSpecification型號(hào)特性G202A中心頻率CenterFrequency1575.42MHz電壓駐波比V.S.W.R 1.5帶寬BandWidth 10MHz 天線極化Polarization右旋極化阻抗Impendence50 二、放大器規(guī)格LNASpecification放大器增益LNAGain(Withoutcable) 26 2dB 噪聲系數(shù)NoiseFigure 1.5dB輸出電壓駐波比V.S.W.R＜2.0直流電壓DCVoltage3.0 0.3VDC；5.0 0.5VDC 3.3 0.3VDC直流電流DCcurrent 20mA 三、結(jié)構(gòu)特性MechanicalSpecification重量Weight＜100(克)gram外型尺寸Size46 39 13.5mm(G203A)電纜CableRG174 3米連接器型號(hào)ConnectorSMAMALE連接器材質(zhì)黃銅棒HPb59-1 GB3110鍍金固定方式Mounting磁吸式Magneticbase外殼顏色Housing黑Black外殼封裝防水防塵四、環(huán)境特性EnvironmentalSpecification工作溫度WorkingTemp-40℃~+85℃極限溫度StorageTemp-40℃~+90℃振動(dòng)VibrationSinesweep1g(0-p)10~50~10Hzeachaxis濕度Humidity95%無冷凝防水WaterproofIP66M（GB4208-84,密封，防浸水）可靠性 MTBF=1 10-6/pc.hr40℃ 5℃ DC=3.3v