SMC Screw-on RF Connectors Radiall SMC Screw-on RF Connectors offer 50Ω impedance, DC to 10GHz frequency range, and 150W power rating at 1GHz. These subminiature coaxial connectors withstand at least 500 mating cycles and a temperature range of -65°C to +165°C. These connectors are standardized according to IEC 60169-9 with right-angle or straight orientation and clamp, crimp, or solder termination styles. Radiall SMC Screw-on RF Connectors are ideal for civil and military telecommunications, aeronautics, and edge-mounting applications.