Model :YC-GPS/GSM-01Center Frequency:1575.42MHZVSWR ≤1.5Peak  Gain:3dBiPolarization :RHCP  RMaximum input power:50WImpedance:50RLNA Gain :28dBNoise Figure:1.5dBFilter Out Band Attenuation :7dB Min f0+/-20MHZ ; 20dB Min f0+/-50MHZ;30dB Min f0+/-100MHZDC Voltage:2.7V/3.0V/3.3V/5.0VDC current:5mA , 10mA MaxFrequency range:824MHz~960MHz,1710MHz~1990MHzVSWR  ≤2.0Impedance :50RGain:2.5dBi

GPS Antenna made in china