If you've ever poked around your WiFi router's settings, you've probably seen the word Channel. Most routers have their channel set to Auto, but I'm sure that a most of us have wondered whether some of the channels are faster than others. Well, I'm happy to report that some channels are indeed much faster -- but that doesn't mean you should go ahead and change them. Read on to find out more about 802.11 channels, interference, and the massive difference between 2.4GHz and 5GHz WiFi.