Quantic PMI Model P4T-500M18G-80-T-SFF-IND-1 is a SP4T, Absorptive PIN Diode Switch that operates over 0.5 to 18 GHz frequency range that offers 80 dB of isolation, insertion Loss is 3.75 dB Max, a switching speed (On/Off) of 25 ns and its operating RF input power is 20 dBm and a VSWR of 2:1. The switch is a Radial design with a 1.25” diameter by 0.40” thick with SMA female connectors.