BNC connectorBayonet Neill-Concelman, commonly known as BNC, is a very common RF coaxial connector. BNC connectors are used for the transmission of RF signals, including the transmission of analog or digital video signals, the connection of amateur radio equipment antennas, and the connection of aviation electronic equipment and other electronic test equipment. In the consumer electronics field, BNC connectors for video signal transmission have been replaced by RCA terminals, which can be used on devices with only BNC connectors through simple adapters. BNC connectors are mainly used in fields such as antennas, cable materials, automobiles, radios, video, broadcasting, telecommunications, satellite communication, monitors, radios, base stations, medical equipment, testing equipment, closed-circuit television, television, high-definition television, etc.