The VTC-5762A from Communications & Power Industries is a Traveling Wave Tube with Frequency 5.4 to 5.9 GHz, Peak Output Power 12 kW, Gain 48 dB, Collector Voltage 16 to 19 kV, Cathode Voltage -25 to -22 kV. Tags: Coupled Cavity. More details for VTC-5762A can be seen below.