The Model 500 from Applied Systems Engineering is a RF Amplifier with Frequency 1 to 18 GHz, Gain 35 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 500 can be seen below.