The invention relates to the field of radar technology. The body of the receiving and transmitting module of the antenna array includes a base with mounting and heat exchange surfaces, straight channels and places for installation of cooled elements located on the mounting surface, and cooling fins made on the heat exchange surface, flat heat pipes with a wick on the inner surface of the heat pipe body, installed to ensure thermal contact in the straight channels of the base so that the evaporation zones of the flat heat pipes are located in the area of the places for installation of cooled elements, and the cooling zones are located in the area of the heat pipes. Novel is that the wick in the flat heat pipes is made mainly within the evaporation zone in the form of threaded grooves with fine pitch, and straight channels and flat heat pipes are inclined relative to the horizon to ensure that the condensation zones of heat pipes over their evaporation zones in the working inclined position of the module housing, wherein the value of the angle of inclination of straight channels and flat heat pipes in the plane of the mounting surface of the base relative to the horizon is determined depending on the angle of inclination of the module body in the working position, according to the corresponding formula. The technical result is to simplify the design and manufacturing technology.
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