Wi-Spy, the name says it all! To help you out with troubleshooting and maintaining upward going curve of the Wi-Fi performance, an updated version of 2.4 GHz ISM Band has been designed packed with Chanalyzer 2.0 software.

This smallest spectrum analyzer reflects the signal potency of all the Wi-Fi networks viz. Bluetooth, 2.4 GHz wireless phones, microwaves, Zigbee, and all other 2.4 GHz transmitters.

With the blink of an eye, you can identify and sense the silence of the Wi-Fi channels. This redesigned interface of the Chanalyzer 2.0 gives you the mirror image of the wireless setting.
Specks at glance:

Easy-identification of Wi-Fi interference
Offers a frequency range of 2.400 – 2.485 GHz
Frequency/amplitude marker
Spectral, Topographic, and Planar views

This improved Wi-Spy software is available with Windows and Mac OS X and you can also download Linux software.

Via Think Geek