备注:SPECIFICATIONDieletric Antenna Center Frequency 1575.42 MHz±3 MHzV.S.W.R 1.5 : 1Band Width ±5 MHz Impendence 50 ohm Polarization Type RHCPLNA / Filter LNA Gain(Without cable) 28±2 dB TypicalNoise Figure 1.5 dBDC Voltage 2.2~5 V DC current 5~15 mA MechanicalCable RG174 5m / 3m / or othersConnector SMA / SMB / MCX / or othersHousing Black or othersEnvironmentalWorking Temp -40℃~+85℃Humidity 55%~75%RHWaterproof IP67