无线

The six layers are: wireless physical layer, wireless data-link layer, network layer, transport layer, mobile computing application supporting Environment, and application layer.

六个层次是：无线物理层、无线数据链路层、无线网络层、无线传输层、移动计算应用支撑环境和移动应用层。

The hardware of the system is composed by center server ( PC), handheld terminal and wireless network access point ( wireless router). They provide the basic platform for the system.

系统硬件包括服务中心服务器（PC）、手持无线终端、无线网络接入点AP（无线路由器）等，它们为无线点餐系统提供基本的设备支持。

The system realized Internet wireless router and gateway function, information familial wiring controller is constituted by traditional familial wiring controller embedded wireless communication module. Wireless gateway connected wiring with wireless communication link.

家庭无线信息网关系统将实现Internet无线路由/网关功能，信息家电控制器则是由传统的家电控制器嵌入无线网络通信接口模块所构成，家庭无线信息网关和信息家电之间通过无线通信链路联结。