The TOTC12EMF2X128 from Logus Microwave is a Coaxial SPDT Switch that operates from DC to 18 GHz. This TTL-Controlled switch has an insertion loss of less than 0.4 dB with isolation of over 80 dB and a switching time of 15ms. It can handle an input power of up to 100 W. The switch requires a 28 V supply and draws 300 mA of current. It is available in a module with SMA female connectors.