processor frequency; clock speed
frequency characteristic; frequency response
fundamental frequency; fundamental
AFC; Automatic Frequency Control
spectrum management; frequency management
frequency selective fading
FDD; frequency division duplex
Frequency-Division Multiplexer; FDM
frequency-division multiple access; FDMA
FDM; Frequency Division Multiplexing
orthogonal frequency division multiplexing
different frequency; inter-frequency
frequency-changer station; frequency converter station
intermediate frequency; IF