The dB-3904 from dB Control is a RF Amplifier with Frequency 12 to 18 GHz, Gain 60 dB, Output Power 67.63 to 68.45 dBm, Output Power 5800 to 7000 W, Pulse Power 67.63 to 68.45 dBm. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for dB-3904 can be seen below.