Data Broadcast service is the service that transfers a great deal of data such as Netnews and network education services in digital cable net.

• 互联网信息如教育、新闻、天气、股票、娱乐、文学等在数字有线网络中传输并在终端机顶盒上的实现是数字有线网业务扩展的重要内容。