The invention provides a light dual-polarized array antenna, and relates to the technical field of communication antennas. The square-opening
loudspeaker comprises a square-opening
loudspeaker layer, a printed board, a horizontal polarization layer, a
resonance layer and a vertical polarization layer which are sequentially arranged from top to bottom. The square-opening horn layer, the horizontal polarization layer, the
resonance layer and the vertical polarization layer are all of
metal structures, a
feed network is formed on the upper surface of the printed board through a
copper-clad strip line, the combining end of the
feed network extends to the edge of the printed board, and a
signal is guided to the outside through a connector. And four shunt ends of the
feed network are respectively positioned below the four horn mouth
radiation units. The
communication device has the characteristics of lightweight design, compact structure and detachability, is convenient to carry and deploy, has high environmental adaptability, can keep good communication performance in various terrains such as mountainous areas, jungles, deserts and cities, and is convenient to operate and maintain.