適用于全球衛星定位系統.基站.雷達檢測器.GSM.CDMA.小靈通基站.無線麥克風.無繩電話.無線耳機.手機.無線遙控防盜器.對講機.汽車音響軍事等高科技產品特點:高Q值.高介電常數.低溫度系,多種介電常數材料.尺寸:35*35 25*25 20*20 18*18 15*15 12*12厚度有2mm4mm也可按客戶指標制做1.ELECTRICALSPECIFICATIONSNO.PartNumberOutlineDimensionGroundPlane1-1CANDQDA1575S12T412mm12 12mm1-2CenterFrequency1575.42 3MHz1-3Bandwidth5MHzmin.1-4Impedance50 1-5Gain@Zenith+0.0dBitypical1-6FrequencyTemperatureCoefficient0 10ppm/℃1-7ReturnLoss@fo20dBmin. 2.STRUCTUREANDMATERIALNo.DescriptionStructureandmaterial2-1AntennaSubstrateDielectricCeramics2-2PinCopper,leadandtinplate2-3ElectrodeAgplated2-4GroundBaseAgplated 3.PHYSICALDIMENSIONS