RF Input Frequency:11.7~12.2GHzInput VSWR: 2.5:1 max.IF Output Frequency: 950~1450MHzOutput VSWR: 2.5:1 max.Impedance: 75 OhmsGain: 55dB min.Noise Figure: 0.6dB or betterLocal Oscillator Freq: 10.750GHzInput Interface: WR-75Output Interface: F connector, 75 Ohm