The VZA-6902J1 from Communications & Power Industries is a RF Amplifier with Frequency 26.5 to 40 GHz, Gain 46 dB, Small Signal Gain 5 dB pk-pk, Phase Noise -120 c/Hz, AC Voltage Single phase, 100 to 264 VAC ± 10%, 47 to 63 Hz. Tags: Benchtop / Rackmount, Travelling Wave Tube Amplifier. More details for VZA-6902J1 can be seen below.