English Radio frequency Cited by user Citation bot on 06 Sep 2018 Radio frequency (RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in…
English Radio frequency Cited by user Citation bot on 06 Sep 2018 Radio frequency (RF) is the frequency range used in radio, extending from around twenty thousand times per second to around three hundred billion times per second .