The Model 187Ka from Applied Systems Engineering is a RF Amplifier with Frequency 34 to 36 GHz, Noise Figure 35 dB, Output Power 51.76 dBm, Output Power 150 W, Peak Power 200 W. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier, Power Amplifier. More details for Model 187Ka can be seen below.