WiFi Analyzer is one of the handiest tools for viewing the Wi-Fi channels around you. Turn it on and you will see all the AP's that are nearby, their channels, power levels from where you are, and a wealth of other details like security settings. There are a number of views available from the channel graph displayed, to more detailed pages. It's not going to replace your site survey gear, but if you want to try to find an unused channel or are just curious as to what is in the air, this apps for you.
Mike Fratto is a principal analyst at Current Analysis, covering the Enterprise Networking and Data Center Technology markets. Prior to that, Mike was with UBM Tech for 15 years, and served as editor of Network Computing. He was also lead analyst for InformationWeek Analytics ... View Full Bio