| KIU-210; KIU-216; KU-219; KU-220; KU-158; KU-312 Impulsive floating-drift amplifier klystrons, packaged and unpackaged, low-noise, medium capacity, operating as UHF power amplifiers in the centimeter waveband, with KU-210 and KU-219 employed as transformers and amplifiers. Fluid cooling. |