Why are they still hanging around in some setups despite being considered outdated? To understand that, we need to go back to ...

RCA to HDMI Converter: Converts analog RCA composite (Yellow, White, Red) input to HDMI 720P/1080P (60HZ) output,displayed on HDTV/Monitor,which can bring back your childhood memories. Plug to ...

It often refers to early TV sets that accepted signals from an antenna or VCR only via a coaxial cable. Modern TVs have coax inputs plus inputs that use RCA phono and HDMI cables. See F connector.