Radio Broadcasting Chips for Smartphones: A Status Report

The concurrent developments of digital radio broadcasting and digital cellular networks have enabled hybrid products that incorporate over-the-air broadcasting into cellphones. A recent introduction (2013) is a hybrid radio/smartphone with Internet connectivity, marketed in the United States as NextRadio. NextRadio uses a chip that receives analog FM and digital radio, with enhancements such as customized radio listening; the primary radio connection is over-the-air, not through Internet streaming. On the assumption that radio broadcasting is more accessible and reliable than communications over wireless networks with Internet connectivity, some broadcasting industry leaders have proposed that FM radio chips be required—or at least encouraged—for smartphones as part of the nation’s emergency communications preparedness. To give perspective on the proposal for widespread deployment of FM radio chips in smartphones as an emergency preparedness measure, this report provides information on consumer and industry trends in radio and wireless network communications. It also provides a brief overview of the role of technology in disseminating emergency alerts and information.