What is a coaxial cable used for?

A coaxial cable is used for radio and data transmission, which often includes applications in computers, video game systems and television. Various types of coaxial cables offer different levels of video and audio quality.

Coaxial cables were invented in England by mathematician Oliver Heaviside and patented in 1880. In the years since, coaxial cables have been used for broadcasting cable and radio, carrying transatlantic telephone signals and even transmitting signals across the ocean. As of 2014, coaxial cables were the most popular type of transmission cable for their diverse application, low cost and high reliability, and they are used extensively worldwide.