Molex SMA RF Connectors Molex SMA RF Connectors are high-performance subminiature connectors for microwave frequencies. The threaded coupling system ensures uniform contact of the outer conductors and enables SMA to minimize reflections and attenuation at higher frequencies while providing a high degree of mechanical strength and durability. Available in brass, beryllium copper, and stainless steel, Molex offers a wide range of designs including high-performance optimized SMA RF Connectors, operating to 27 GHz. Learn More