Cable Extension Coupler Connects Two Coaxial Video Cable s, for Coax F81 (female to female) 3GHz Satellite, Cable TV, and Cable Internet Rated (4 Pack) Add To Cart There is a problem adding to cart. The modem has a coax cable going into it, providing the internet access. My new spot has a cable just like it, which I use for my HD DVR cable.
Updated: by Computer HopeA 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 end that is screwed onto a.