The RNF-3000-3/1-0-SP is a coaxial cable adapter manufactured by TE Connectivity. It is a threaded, reverse-polarity, female-to-male adapter with a dielectric of PTFE. It is designed to connect various coaxial cables quickly and reliably, and is used in a variety of radio transmission, television and CATV applications. The adapter has a nickel-plated brass outer shell, a gold-plated terminal and a black PTFE dielectric, and is designed to provide superior electrical characteristics.