Quantic PMI Model PS-90-6012 Options 9F, SS is a 0 to 180 Bi-phase shifter-modulator with low insertion loss, low VSWR, high speed and operates in the 9 to 9.5 GHz frequency range. This unit is TTL compatible and package size is 1.0" x 1.0" x 0.5" with SMA female connectors.