How may radios do you own? Forget the AM/FM, GMRS/FRS radios you listen to or communicate with. We’re talking about the multiple radios and antennas in your phone, your TV, your car, your garage door ...

The author is associate professor and chair of the TV/Film Department of DeSales University at Center Valley, Pa. As the faculty manager of WDSR Campus Radio, DeSales University’s online and on-campus ...