The dB-3902 from dB Control is a RF Amplifier with Frequency 4 to 8 GHz, Gain 69 dB, Output Power 69.03 dBm, Output Power 8000 W, Pulse Power 69.03 dBm. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for dB-3902 can be seen below.