See http://blogs.cisco.com/wireless/check-your-spectrum were the same spectrum plot is used to show how a microwave would interfere with WiFi Good arrticle Rick...I always wonder about wireless in hospitals, and signal interferance in general...I think this trillion of IoT devices communicating that everyone is talking about is some sort of science fiction movie, there is no electromagnetic spectrum to contain them...maybe with some smart spectrum selection algorithms, but for sure not in a small 2.4 GHz band...Kris Actually, before reading the article, i have no idea about which net to be selected on our company'medical device. Now, I want to choose the Wifi as the first option of course.