Detect WiFi interference sources
- TAGS:2.4 GHz problems, Chanalyzer, MetaGeek, Wi-Fi, Wi-Fi interference
- IT TOPICS:Applications, Desktop Apps, Devices, Mobile, Networking, Security
 If you manage WiFi networks operating in the 2.4 GHz band (Who doesn't these days?), and you have pesky intermittent interference issues, take a gander at the new Chanalyzer 3.0 software from MetaGeek LLC in Nampa, Idaho. The new version of the Windows software, paired with the company's Wi-Spy 2.4x USB-based antenna, can locate competing signals in the 2.4GHz band. According to Ryan Woodings, chief geek, the upgrade's Inspector feature adds flexible views of spectral amplitude over time. That way you can record interference throughout the day or during off hours so problems can be diagnosed even if you're not snooping the spectrum at the moment they occur. A new sidebar feature lets you quickly compare the signatures you capture with, say, those of a microwave oven or a cordless phone that may overlap with the channel your WiFi network is operating in. MetaGeek has an online database of previously captured signatures from specific wireless devices that can be used for quick diagnostics. In late summer Woodings says the company will ship a 5.4 GHz Wi-Spy antenna to capture signals in that band. The Chanalyzer 3.0 and Wi-Spy 2.4x software-hardware combo costs $399.
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