The VTX-5786E from Communications & Power Industries is a Traveling Wave Tube with Frequency 9.5 to 10 GHz, Peak Output Power 1 kW, Gain 47 dB, Collector Voltage 8 to 9 kV, Cathode Voltage -12 to -11 kV. Tags: Coupled Cavity. More details for VTX-5786E can be seen below.