UG-57B/U is a Type N RF coaxial connector component manufactured by Amphenol RF. Type N connectors were developed to provide durable, weatherproof medium-size RF connections with consistent performance through 11 GHz. These connectors accommodate a wide range of medium to miniature sized RG coaxial cables in a rugged design. Common applications include termination of coaxial cables such as RG-8, RG-225, RG-58, and RG-141 in telecommunications, broadcast, and wireless infrastructure systems.