The 242142 from Amphenol Connex is an SMA plug to MMCX plug adapter designed for interconnecting RF components. It features a gold-plated brass body and contact pin, ensuring reliable signal transmission and resistance to corrosion, with a Teflon insulator for dielectric integrity. The adapter has an overall length of 21.80 mm and incorporates a standard 1/4-36UNS-2B thread for the SMA connection. This component is ideal for applications requiring a connection between devices or cables with differing SMA and MMCX connector types, such as in test and measurement setups, communication systems, and PCB-level RF routing.