The BNC connector is a miniature quick connect/disconnect radio frequency connector used for coaxial cable.

What does BNC cable stand for?

The BNC (Bayonet Neill–Concelman) connector is a miniature quick connect / disconnect radio frequency connector used for coaxial cable. It features two bayonet lugs on the female connector; mating is fully achieved with a quarter turn of the coupling nut.

Are BNC cables different?

50 Ohm and 75 Ohm are Two Distinct Types of BNC Connectors & Cables. BNC cables and connectors are manufactured in 50 Ohm and 75 Ohm specification versions. 75-ohm cables/connectors are made for high quality digital video (CCTV) and are able to scale their output depending on the input received.