The Model 477Ka from Applied Systems Engineering is a RF Amplifier with Frequency 33 to 36 GHz, Noise Figure 20 dB, Output Power 58.45 dBm, Output Power 700 W, Peak Power 0.7 W. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier, Power Amplifier. More details for Model 477Ka can be seen below.