The VTX-5786J from Communications & Power Industries is a Traveling Wave Tube with Frequency 9.45 to 9.95 GHz, Peak Output Power 12 kW, Gain 40 dB, Collector Voltage 7 to 13 V, Cathode Voltage -24 to -22 kV. Tags: Coupled Cavity. More details for VTX-5786J can be seen below.