Quantic PMI Model P4T-500M40G-60-R-55-292FF-SP is a reflective, single pole, four throw, pin diode switch that operates over the 0.5 to 40 GHz frequency range and incorporates a TTL compatible driver for easy system integration. Housing measures 2.0" x 1.0" x 0.4" with 2.92mm female connectors.