radio frequency
electromagnetic frequencies ranging from 3 kHz to 300 GHz
intermediate frequency
frequency to which a carrier wave is shifted as an intermediate step in transmission or reception
A band
range of radio frequencies
Earth observation satellite transmission frequency
radio frequencies used by Earth observation satellites to transfer data to and from ground stations
channel
broadcasting term; range of frequencies (or, equivalently, wavelengths)
International distress frequency
radio frequency designated for emergency communication