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.

[John] was able to test the TV with a NES clone outputting composite video and voila, it worked! [John] then went further, adding an audio input and installing standard RCA jacks to make it ...

RCA to HDMI Converter: Converts analog RCA composite (Yellow, White, Red) input to HDMI 720P/1080P (60HZ ... PAL/N standard TV. Provide advanced signal processing with great precision, colors ...

The RCA ANTD8E is designed for reception of ... The antenna has a 9-foot cable that you’ll connect to the TV tuner’s coaxial input. Martyn Williams/Foundry Before we go much further, let ...