Avoiding Interference in the 2.4-GHz ISM Band
As more and more companies produce products that use the 2.4-GHz portion of the radio spectrum, designers have had to deal with increased signals from other sources. Regulations governing unlicensed parts of the spectrum state that your device must expect interference.
Wi-Fi Alliance
A resource page for Wi-Fi technology.
Wi-Fi Planet
802.11 news, commentary and information.
Wi-Fi Protected Access Overview
An explanatory document from the Wi-Fi Alliance. (pdf)
Wi-FiHotSpotList.com
Search this directory for Wi-Fi hotspots in your region.