Hi,

Can you use a WiFi card to detect Bluetooth, Cordless phones,
Microwaves, Xbox, Videocams?

Turns out researchers at UW Madison were able to do this! If you are
interested, there is a demo up here:
http://www.youtube.com/watch?v=VuAzXhcA8h8 and the complete technical
report here: goo.gl/AwNSN

Thanks!