Timing4000是一款高性能的GPS授时天线，为通信授时的高可靠性而设计，广泛应用于3G移动通信授时。为通信授时应用专用设计电压范围：4Vto6VLNA增益:38dBgain三阶滤波器内置避雷器连接器：N型母头 GPSAntennaSpecifications产品规格书(请复制链接到新窗口中打开）http://www.gemsnav.com/UploadFiles/1400_GPS_Timing_Antenna.pdfFrequencyRange[MHz] 1575.42 5Gain[dBi] 38 2(LNAincluded)Polarization circularpolarizationAxialratio[dB] ＜53dBbeamwidth ( )110 10FronttoBackRatio[dB] ＞10DCVoltage[V] 4~6DCCurrent[mA] 45Connector N(Female)LNASpecificationsFrequencyRange(MHz) 1575.42 5Gain(dB) 34 2Flatnessinbandwidth(dB) ＜1(1575.42 1.023MHz)＜2(1575.42 5MHz)NoiseFigure(dB) 2.7Out-of-BandRejection(dBc) 12(1575 30MHz)35(1575 50MHz)70(1575 100MHz)? VSWR S11 2.5dB(Input)；S22 2.5dB(Output)DCVoltage[V] 4~6DCCurrent[mA] 451dBthedotoftheexport 0Anti-SurgePerformance AccordingGB/T17626.5-1999;idtIEC61000-4-5:1995StandardMechanicalSpecificationsRadomematerial ABSSize[mm] 112 205Weight[Kg] 1.42(IncludingtheGPSclamp)OperatingTemperature[℃] -40~+70RepositionTemperature[℃] -55~+75OperatingHumidity[%]95OperatingWindSpeed[Km/h] 135RaterWindSpeed[Km/h] 200Circumstance Outdoor