The VZU-6997AD-L from Communications & Power Industries is a RF Amplifier with Frequency 13.75 to 14.5 GHz, Gain 75 to 80 dB, Small Signal Gain 1 to 3 dB pk-pk, Output Power Limit 55.1 to 58.8 dBm, Harmonics -70 dBc. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for VZU-6997AD-L can be seen below.