"ACCEPTS CONTINUOUS WAVE RADIO FREQUENCY SIGNAL OF 5.450 GHZ TO 5.825 GHZ AND PROCESSES IT IN ACCORDANCE WITH A COMMAND DATA INPUT TO TURN OUTPUT SIGNAL ON AND OFF AND WITH A FREQUENCY PHASE MODULATION OFFSET TO INCREASE THE SIGNAL FREQUENCY; OUTPUT USED TO CALIBRATE PHASE AND AMPLITUDE OF THE TWO CHANNEL MONOPULSE RECEIVER CHANNELS; ALSO HAS FAULT LOGIC OUTPUT; PROVIDES FREQUENCY PHASE RATE OFFSET BY SHIFTING RF PHASE IN DISCRETE 45 DEGREE STEPS DRIVEN BY INTERNAL OSCILLATOR; O/A DIMS 13.50 IN. LG,8.00 IN. W,4.25 IN. H"