Quantic PMI Model P4T-0R5G18G-1W-70-R-SFF is a reflective, high speed, single pole four throw switch capable of switching within 100 ns maximum with a frequency range of 0.5 to 18 GHz and has >70 dB isolation. Housing size is 1.25" x 1.25" x 0.4" and is outfitted with SMA female connectors.