The Model 200K from Applied Systems Engineering is a RF Amplifier with Frequency 17.7 to 22 GHz, Gain 35 dB, Noise Figure 35 dB, Output Power 53.97 dBm, Output Power 250 W. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier, Power Amplifier. More details for Model 200K can be seen below.