The VTX-5786C from Communications & Power Industries is a Traveling Wave Tube with Frequency 10.8 to 11.8 GHz, Peak Output Power 10 kW, Gain 48 dB, Collector Voltage 14 to 17 kV, Cathode Voltage -25 to -22 kV. Tags: Coupled Cavity. More details for VTX-5786C can be seen below.