The VTC-6368L5 from Communications & Power Industries is a Traveling Wave Tube with Frequency 5.725 to 6.725 GHz, Power 2.25 kW, Gain 40 dB, Collector Voltage 64% of Ew to 66% of Ew kV (DC). Tags: Helix. More details for VTC-6368L5 can be seen below.