The A500 from Electronics & Innovation Ltd is a RF Amplifier with Frequency 0.3 to 35 MHz, Gain 60 dB, Gain Flatness +/- 1.5 dB, Output Power 56.99 to 58.45 dBm, Output Power 500.03 to 699.84 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for A500 can be seen below.