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. ... 50 ohm connectors are used for data and RF.

Do BNC cables carry power?

BNC connectors are crimped onto the RG59 coaxial cable to be plugged into the camera's video port. For power, some cameras have terminals to accept bare wire. ... If you only have a few runs, we carry pre-terminated cables with BNC connectors and power connectors already installed.

What signal does a BNC cable carry?

The BNC connector is used for signal connections such as: analog and serial digital interface video signals.