GPSAntennaGSMAntenna接收頻率范圍（MHz）RangeofReceivingFrequency1575.42 3MHz890～960 1720-1920放大器增益(dB) LNAGain(Withcable)28-35dB2dB偏振方式Polarization右旋圓極化Right-HandedCircular線性化Linearization天線方向性direction/類偶極子Dipole駐波比V.S.W.R(inCenterFrequency) 2.0 2.0特性阻抗Impedance( )5050電纜線類型CableRG-174RG-174天線接頭類型ConnectorSMA/BNC/MCX/MMCX或其他SMA/BNC/MCX/MMCX或其他工作溫度OperatingTemperature-40℃～+85℃ 工作電流CurrentConsumption 16mA 工作電壓SupplyVoltage3-5V