If you're tired of getting your WiFi connection messed up every time someone microwaves a burrito or takes a call on the cordless, you might be interested in Wi-Spy, a 2.4 GHz spectrum analyzer for scoping out WiFi networks and related interference and viewing it all in a graphical interface. That way you can know which channel is optimum as opposed to just guessing a number from 1 to 11. Created by MetaGeek, they claim it's the cheapest device under $2500 with it's capabilities, and at a mere $99 for the USB dongle we think they might just be on to something.
All products recommended by Engadget are selected by our editorial team, independent of our parent company. Some of our stories include affiliate links. If you buy something through one of these links, we may earn an affiliate commission.