The PRF13 from Samtec is a 1.35 mm RF Cable Connector that operates from DC to 90 GHz. It has an impedance of 50 ohms and a solder clamp to support .047 Temp-Flex low loss flexible cables. This bulkhead plug/jack connector is available in a package that measures Ø5.8 mm (plug) & Ø4.84 mm (jack).