The K3S from Communications & Power Industries is a SATCOM Amplifier System with Frequency 1.7 to 3.0 GHz, Klystron Power Up to 2.50 kW, Small Signal Gain 74 dB, AC Voltage 380 to 415 VAC, Power Cosumption 10 kW. Tags: Rack Mount, Klystron. More details for K3S can be seen below.