The ADL-K1K25A/9XX-9X from Rosnol is a 2.92 mm Plug to Jack Adapter that operates from DC to 40 GHz. This in-series adapter has an insertion loss of less than 0.05 dB, a VSWR of 1.25:1. This 50-ohm RoHs compliant adapter can operate at a temperature from -55 to 100 degrees Celsius.