Ku band The portion of the microwave radio spectrum in the range of 12.0–18.0 GHz, as specified by the ITU-R. The K band is subdivided into Ku band and Ka band. Ku band is so called as it is under the center of the K band. Applications include satellite and terrestrial microwave systems. See also electromagnetic spectrum, ITU-R, K band, Ka band, microwave, and satellite. 74570c12.qxd 9/11/07 12:25 PM Page 275 |