The VTX-5786K from Communications & Power Industries is a Traveling Wave Tube with Frequency 8.4 to 9 GHz, Peak Output Power 15 kW, Gain 41 dB, Collector Voltage 7 to 13 V, Cathode Voltage -25 to -22 kV. Tags: Coupled Cavity. More details for VTX-5786K can be seen below.