Free Application: inSSIDer

Free application inSSIDer scans networks within reach of your computer’s Wi-Fi antenna, tracks signal strength over time, and determines their security settings (including whether or not they’re password-protected). inSSIDer, works like a charm on both Vista and XP, and it’s open-source to boot. This must-have for hunting down Wi-Fi networks on the road is free, Windows only, requires .NET 2.0.
[VIA]

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