The VZS/X-2776L1 from Communications & Power Industries is a RF Amplifier with Frequency 4 to 10 GHz, Gain 40 to 44 dB, Small Signal Gain 12 dB pk-pk, Harmonics -3 dBc, Phase Noise 3 dB. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for VZS/X-2776L1 can be seen below.