RF in


Also found in: Dictionary, Thesaurus, Medical.

RF in

(Radio Frequency in) Refers to coaxial sockets on the back of older TVs, VCRs and DVDs that accepted analog video signals. The "RF in" socket is typically receiving VHF/UHF signals from an antenna. Contrast with RF out. See F connector and RF.


RF In
The "IN" jack on this VCR receives VHF/UHF TV from an antenna. The "OUT" jack sends signals converted to TV channel 3 or 4 because very early TVs had only antenna inputs.
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.