Background of the project：

According to the functional area is divided into three areas, the specific distribution is as follows: office area, outdoor area, public areas, parking lots, etc. in order to improve the unit unit of the weak use of the overall needs of enterprises to provide the overall image of the unit street to meet the modern enterprise unit Street Public background music broadcast, is intended to be in the enterprise unit street background music broadcasting system, public / emergency broadcast for the enterprise unit street daily leisure background music, daily business unit street emergency information quick release;