Narrow-section multi-system array antenna

The utility model relates to the technical field of communication antennas, and particularly discloses a narrow-section multi-system array antenna, which comprises a metal reflecting plate, and a low-frequency radiation unit, a high-frequency radiation unit, a metal isolation groove, a low-frequency decoupling unit, a low-frequency parasitic unit and a rectangular partition plate which are arranged on the metal reflecting plate, by designing the small-caliber bowl-shaped radiation unit, introducing the low-frequency decoupling unit, setting the low-frequency parasitic unit and the like, the miniaturization design of the antenna is effectively realized, and the defects of large size, large occupied space, serious visual pollution, complex installation, high operation cost, difficult maintenance and the like of the traditional antenna are improved; according to the narrow-section multi-system array antenna provided by the utility model, three or more than three low-frequency arrays are integrated; all low-frequ