The BN 535119 from Spinner is a Rugged 3.5 mm (female) to 3.5 mm (female) In-Series Precision Adapter that operates from DC to 33 GHz. This adapter ensures low manufacturing tolerances with an air dielectric interface and closely controlled center conductor support bead that provides mechanical interface tolerances similar to hermaphroditic connectors. This 50-ohm adapter supports many mating cycles and is available in a housing that measures 28.00 x 21.85 mm with Beryllium Copper (gold-plated) coating on both the inner and outer conductors.