品名称：GPS天线 产品介绍： *高增益*低噪声*低电流*磁钢安装*GPS车载式天线 主要参数： 中心频率CenterFrequency1575.42MHz±3MHz电压驻波比V.S.W.R1.5:1带宽BandWidth±5MHz阻抗Impendence50ohm最高增益PeakGain＞3dBicBasedon7×7cmgroundplane增益范围GainCoverage＞-4dBicat–90°＜0＜+90°(over75%Volume)天线极化PolarizationRHCP 放大器/滤波器LNA/Filter放大器增益LNAGain(Withoutcable)28dBTypical噪声系数NoiseFigure1.5dB滤波器带外衰减FilterOutBandAttenuation(f0=1575.42MHZ)7dBＭinf020MHZ;20dBＭinf050MHZ;30dBＭinf0100MHZ输出电压驻波比V.S.W.R＜2.0直流电压DCVoltage3V,5V,3Vto5V或其他直流电流DCcurrent5mA，10mAMax 结构Mechanical重量Weight＜105(克)gram外型尺寸Size35×33×13mm电缆CableRG1745meters或3meters连接器型号ConnectorSMA/SMB/SMC/BNC/FME/TNC/MCX/MMCX固定方式Mounting磁性Magneticbase/粘贴stiking外壳颜色Housing灰色Gray 环境Environmental工作温度WorkingTemp-40℃~+85℃振动VibrationSinesweep1g(0-p)10~50~10Hzeachaxis湿度HumidityHumidity95%~100%RH防水Weatherproof100%Waterproof