Quantic PMI Model P1T-DC40G-65-T-292FF-1NS-OPT18G-50OHM is a SPST Absorptive, FET switch that operates from DC to 18.0 GHz. The typical Isolation is 60 dB with an Insertion Loss of 4.5 dB typical and a 6 ns Switching Speed (On/Off) and a 2 ns Rise/Fall. The size is 1.30” x 1.20” x 0.50”.    https://www.quanticpmi.com/product-details/p1t-dc40g-65-t-292ff-1ns-opt18g-50ohm