我公司生產(chǎn)出口螺旋微波天線，有6種型號，10多個規(guī)格。本振頻率有1838MHz，1950MHz,2278MHz，2908MHz等。適配器有兩種輸入電壓：110V/220V，輸出電壓有：24V，18V。我公司和著名高技術(shù)院所合作，擁有各類研發(fā)人員20余名，承擔(dān)國家省市各級科研項目數(shù)項。參數(shù)如下：IntegratedGain:50dBRFInputFrequency:2500-2686MHzRFOutputFrequency:222-408MHz(decidedbycustomers)LOFrequency:1838MHz(1950,2030,2278,2286,2470,2908 more)LOFrequencyStability: 25KHzovertempNoiseFigure:1.7dB(typ.)GainFlatness: 1.5dB@wholeband, 0.25dB@6MHzGain:32 2dBPhaseNoise:-90dBc/Hz@10KHzLmageRejection:85dBIFRejection:-80dBPCSRejection: 100dBmRadarLmmunity:OptionalOutputConnector:F-Type,75OhmSupplyVoltage:+16to+24VDCCurrent:220mAOperatingTemperature:-40℃to+70℃Humidity:100%weatherproofGain:17dbiFront-to-BackRatio:25dbSideLobeLevel:-123dbBeamwidth:24 Qty /G.w.:20pcs/32kg