Quantic PMI Model P2T-500M18G-30-R-SFF is a Single Pole, Two Throw, Reflective Switch that operates from 500 MHz to 18 GHz which handles +23 dBm CW input power.  Port-to-port isolation is 30 dB minimum and has a typical insertion loss of 1.5 dB; a minimum isolation of 30 dB, as well as a maximum VSWR of 2.0:1 while still offering a fast-switching speed of 100 ns. maximum.  Has SMA female connectors and a housing that measures 1.00" x 1.00" x 0.50". https://www.Quantic PMI-rf.com/product-details/p2t-500m18g-30-r-sff