BNC (Bayonet Neill-Concelman) connectors are designed for use with coaxial cables. In networking, they were famously used for early 10BASE2 Ethernet networks. Today, they are more commonly found in applications that use coaxial cable for radio frequency (RF) signals, such as connecting antennas to wireless devices or on various types of test equipment. Fiber optic cables use connectors like LC and SC, while twisted-pair cables use RJ45 connectors. While BNC can be used for video signals, its primary role in modern networking environments is related to RF.
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