无线局域网利用电磁波在空气中发送和接受数据，而无需线缆介质。无线局域网的数据传输速率现在已经能够达到11Mbps，传输距离可远至20km以上。它是对有线联网方式的一种补充和扩展，使网上的计算机具有可移动性，能快速方便地解决使用有线方式不易实现的网络联通问题。-Wireless local area network using electromagnetic waves in the air to send and receive data without the need for cable medium. Wireless LAN data transfer rate has now been able to achieve 11Mbps, the transmission distance can be far more than 20km. It is wired networking as a supplement and expansion to enable a computer with Internet mobility can quickly and easily resolved using the wire difficult to realize the issue of China Unicom