The VZC-6964VM from Communications & Power Industries is a RF Amplifier with Frequency 4.4 to 5.0 GHz, Gain 70 dB, Output Power Limit 56 dBm, Phase Noise 3 dB, AC Voltage Single phase, 200 to 240 VAC ±10% 47 to 63 Hz. Tags: Travelling Wave Tube Amplifier. More details for VZC-6964VM can be seen below.