PMI Model No. P2T-1R2G1R4G-25-R-SFF-250W is a single pole two throw, hermetically sealed reflective switch designed to operate over the 1.2 GHz to 1.4 GHz frequency range. This model is designed to handle 250 Watts peak input power having a 150 µs pulse width and 10% duty cycle; Insertion Loss of 0.8 dB; Isolation of 25 dB; VSWR of 1.5:1; and Switching Speed of 250 ns.  Has SMA Female Connectors and Housing is 4.22" x 2.98" x 0.70".  https://www.pmi-rf.com/product-details/p2t-1r2g1r4g-25-r-sff-250w