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北京燕山石化公司使用900MHz 无中心多信道选址通信系统组成公司内部调度网,有12个厂,50多部电台。所组成的网具有覆盖面积大、通讯联络畅通、干扰小、易于扩大应用等特点。
Beijing Yanshan Petrochemical Company uses a 900MHz centerless multichannel site-location communication system to form a company internal dispatch network with 12 plants and over 50 radio stations. The composed network has the characteristics of large coverage area, unimpeded communication, small interference and easy application.