介质天线DieletricAntenna中心频率 CenterFrequency 1575.42MHz 3MHz电压驻波比 V.S.W.R 1.5:1带宽 BandWidth 5MHz阻抗 Impendence 50ohm极化类型 PolarizationType RHCP放大器/滤波器 LNA/Filter放大器增益 LNAGain(Withoutcable) 28 2dB Typical噪声系数 NoiseFigure 1.5dB直流电压 DCVoltage 2.2~5V 直流电流 DCCurrent 5~15mA