The VZU-6997AD from Communications & Power Industries is a RF Amplifier with Frequency 13.75 to 14.5 GHz, Gain 70 to 90 dB, Small Signal Gain 1 to 3.5 dB pk-pk, Output Power Limit 58.13 to 58.75 dBm, Harmonics -70 dBc. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for VZU-6997AD can be seen below.