The dB-3911 from dB Control is a RF Amplifier with Frequency 7.5 to 18 GHz, Output Power 65.31 to 66.02 dBm, Output Power 3400 to 4000 W, Pulse Power 65.31 to 66.02 dBm, Pulse Power 3400 to 4000 W. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for dB-3911 can be seen below.