KHz
"KiloHertz" - 1000 Hertz, where 1-Hertz is 1 cycle-per-second as in the frequency of an electromagnetic signal.
Ku-Band
A transmission band in the microwave spectrum between 12,000 and 18,000 MHz (12-18 GHz) used for satellite transmission, particularly in the DBS (Direct Broadcast Satellite) system designed for home reception.