配置简单，实现基本语音，数据和视频信号的管理功能；体积小，重量轻；
安装方便；
外形美观，可明装，无需箱体
适用于住宅
Superiority
Configuration is simple, to achieve the basic voice, data and video signals management;
Small size, light weight;
Easy installation;
Appearance, can be installed tomorrow, no box
Applications
Applicable to domestic