PMI Model No. P2T-0R75G18G-80-R-512-SFF is a single pole, double throw, reflective switch that operates from 750 MHz to 18.0 GHz which handles 1 Watt CW input power. The port-to-port isolation is greater than 80 dB. This model has low insertion loss while offering a fast-switching speed of 30 ns maximum.  Housing size is 1.0" x 1.0" x 0.5", weight 1.5 oz. Typ and has SMA Female Connectors https://www.pmi-rf.com/product-details/p2t-0r75g18g-80-r-512-sff