The DD-R28 medium-range X-band four-element array radar 1, Product Overview The DD - R28 medium - range X - band four - element array radar is a sophisticated piece of equipment that seamlessly integrates a fully solid - state, fully coherent, and pulse Doppler system. This integration endows the radar with remarkable capabilities. It allows for all - weather detection and early warning specifically focused on "low, small, slow" targets. These types of targets can be