A microwave/source modulator w/ harmonic filter, 2.0 to 4.0 ghz; controlled manually or by antekna data bus; dimensions 3.5 x 17 x 14 in.; power required 115 vac, 50 to 60 hz, 1 phase, 50 watts; required to establish the initial operating capability for the compass tie electronic warfare avionics integrated support facility; option -90 is a yig-tuned tracking filter
