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At present, there are more and more challenges facing the mobile communication network, the demand for network optimization is increasing, the quality of network coverage is increasing day by day, the requirement of environment coordination is increasing day by day, the resources of the site are insufficient and the coordination of the station is difficult. According to these phenomena, A series of suitable base station antenna products cover 698-960MHz of low frequency band and 1710-2690MHz of high frequency band, which include 2/3 / 4G antenna series and multi-system shared base station antenna series etc. They are widely used by operators and equipment manufacturers in China application.