Specifications:Voltage:3-5VCurrent:3-5mAFrequency:1575.42+/-1.023MHZV. S. W. R: < 1.8:1Gain: 20+/-1dBi Output impedance : 50Noise quotiety:<1.0dBAntenna polarization: rightCable:L=3m or 5mConnector: MXC,F,SMA,IEC or customized