（i）DieletricAntennaCenterFrequency 1575.42MHz±3MHzV.S.W.R 1.5:1BandWidth ±5MHzImpendence 50ohmPeakGain ＞3dBic Basedon7×7cmgroundplaneGainCoverage ＞-4dBicat–90°＜0＜+90°(over75%Volume)Polarization RHCP（ii）LNA/FilterLNAGain(Withoutcable) 28dBTypicalNoiseFigure 1.5dBFilterOutBandAttenuation(f0=1575.42MHZ)7dBＭin f0+/-20MHZ;20dBＭin f0+/-50MHZ;30dBＭin f0+/-100MHZV.S.W.R ＜2.0DCVoltage 2.7V/3.0V/3.3V/5.0V/3.0Vto5.0V/otherDCCurrent 5mA/11mA Max