A Coaxial cable is a cable used in the transmission of video, communications, and audio. This cable has high bandwidths and greater transmission capacity. Most users relate to a coaxial or coax cable as a cable used to connect their TVs to a cable TV service. However, these cables are also used in networks and what allow a broadband cable Internet connection using a cable modem. The picture is an example of a coaxial cable. As can be seen in this picture, the cable is a thick cable with a metal male connector end that is screwed onto a female connector.