The AA-618G-300-T from Advanced Amplifiers is a RF Amplifier with Frequency 6 to 18 GHz, Gain 54 dB, Output Power 300 W, Peak Power 54 dBm, Spurious -60 to -55 dBc. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for AA-618G-300-T can be seen below.