If a microwave, or other device¹, interferes with radio communications, then operating it is illegal and the FCC will get involved to stop it if someone complai

If a microwave, or other device¹, interferes with radio communications, then operating it is illegal and the FCC will get involved to stop it if someone complains². ¹ e.g. http://www.coloradoan.com/story/news/local/2014/06/05/pot-growers-lights-interfering-ham-radio-chats/10015757/ http://www.coloradoan.com/story/news/local/2014/06/05/pot-gr... ² http://www.fcc.gov/guides/interference-defining-source http://www.fcc.gov/guides/interference-defining-source