The P1T-24G40G-55-T-292FF-23DBM from Planar Monolithics is an absorptive, SPST switch that operates from 24 to 40 GHz. The switch has a rise/fall of 10 ns with an isolation of more than 55 dB and can handle an input P1dB of 23 dBm. It is available in a module that measures 1.0 x 1.0 x 0.5 in. with removable 2.92 mm (F) connectors.