Monitor Wi-Fi with Lion’s hidden tool
by Lex Friedman, Macworld.com Sep 5, 2011 2:00 pm
Hints reader nathanator11 discovered that Lion includes a handy app that provides all sorts of diagnostic information surrounding your wireless network. Much of the information the software generates gets pretty technical, but even Wi-Fi novices may find some of the details that the utility aggregates useful.
Wi-Fi Diagnostics is tucked away in the /System/Library/CoreServices folder. To get there, I pressed Shift-Command-G in the Finder (the equivalent of going to the Go menu and choosing Go to Folder), and then typed in the /System/Library/CoreServices path and pressed Return. Once in the folder, I found Wi-Fi Diagnostics and double-clicked it. Alternatively, you could launch the Terminal and type open “/System/Library/CoreServices/Wi-Fi Diagnostics.app”, and then press Return.
However you find and launch it, Wi-Fi Diagnostics gives you four options: Monitor Performance (which shows you signal strength, noise level, transmit power, and data rate); Record Events (which can keep a log of network happenings); Capture Raw Frames (which records everything coming and going on your Mac’s wireless connection); and Turn on Debug Logs.
If you’re at all interested in what’s going on with your Mac’s Wi-Fi connection or your wireless network, Wi-Fi Diagnostics is freely included with your copy of Lion, and you can’t break anything by poking around the app—so enjoy!
Andy Flisher is a Software Developer based in the North East of England specialising in cross platform development. Mobile Development experience includes Windows Phone, Android, and iPhone Apps. Desktop Software Development includes bespoke Windows, Linux, and Mac Applications. Web Development Skills include PHP, Perl, Python, ASP (Classic and .NET) – Andy Flisher on Google+