A coaxial cable that is typically used to transmit TV channels from an antenna or cable company. See
RF and
F connector.
RF Cable Nomenclature
The term RF cable is used in this wiring diagram for a Cisco VoIP cable modem. It shows the coaxial line (RF cable) from the cable company being split between the TV and modem. See
VoIP modem.
(Image courtesy of Cisco Systems, Inc.)