The Model 502 from Applied Systems Engineering is a RF Amplifier with Frequency 7.5 to 18 GHz, Gain 57 dB, Noise Figure 35 dB, Output Power 56.98 dBm, Output Power 500 W. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier, Power Amplifier, Driver Amplifier. More details for Model 502 can be seen below.