DD-R23 Ku-band medium-range four-element array radar 1, Product Overview The DD - R23 Ku - band medium - range four - element array radar is designed with a state - of - the - art system that is fully solid - state, fully coherent, and incorporates a pulse Doppler mechanism. This advanced setup endows the radar with the remarkable ability to conduct all - weather detection and issue early warnings specifically for "low, small, slow" targets. These types of targets are often