Radiall's subminiature R591 coaxial SP4T & SP6T (Single Pole 4 Throws and 6 Throws) switches have a typical operating life exceeding 25 million cycles, providing excellent RF performance, repeatability, and a guaranteed life of 10 million cycles. These switches are fitted with SMA (up to 26.5 GHz), SMA2.9 (up to 40 GHz) connectors.