Quantic PMI Model SWN-2181-TRA-T is a pin diode transfer switch that operates over the 7 to 18 GHz frequency range that has 60 dB minimum of isolation, maximum insertion loss of 5 dB and a switching speed of 500 ns maximum. This transfer switch is uniquely designed to allow only one path at a time while unused ports are terminated. Housing size is 1.5" x 1.25" x 0.5" with SMA female connectors.