Quantic PMI Model P6T-2G18G-55-R-512-SFF-ROHS is a high speed, single pole, six throw, reflective switch capable of switching within 15 ns. The frequency range is 2 to 18 GHz and has over 55 dB of isolation. This model was designed to produce extremely low transients of 15 mV peak to peak and a video transient spectral content of -65 dBm maximum.  Package size is   1.0" x 1.4" x 0.3" with SMA female connectors.  RoHs compliant and COTS availability. https://www.quanticpmi.com/product-details/p6t-2g18g-55-r-512-sff-rohs