The VTC-5763A from Communications & Power Industries is a Traveling Wave Tube with Frequency 5.25 to 5.75 GHz, Peak Output Power 120 kW, Gain 47 dB, Collector Voltage 32 to 35 kV, Cathode Voltage -42 to -45 kV. Tags: Coupled Cavity. More details for VTC-5763A can be seen below.