132171RP-RP is an SMA reverse polarity jack to reverse polarity plug adapter designed for RF coaxial applications. The adapter features a brass body with gold finish, a beryllium copper contact pin with gold plating, and a Teflon insulator for reliable signal transmission. The connector utilizes 1/4-36UNS-2A and 1/4-36UNS-2B threading standards. This adapter is commonly used in wireless communication systems and RF test setups where reverse polarity SMA connections are required.