You have to use a VCR, or a cable box to tune the channel, and then output to RCA. AFAIK, that dongle is for digital audio.

I'm trying to hook up a new subwoofer using the wiring in my house that was installed when the house was built. The cable for the sub is just a coaxial cable with no ends, so I need to stick an RCA ...

Richmond, Ind. — Belden has added BNC and RCA connectors to the Belden Brilliance family of audio/video (A/V) products for the professional broadcast and entertainment industry. The BNC and RCA ...