The Federal Communications Commission issued an order Friday for Broadway theaters, sports franchises and other public entertainment forums to change the radio frequency they use for their wireless microphones. The F.C.C.’s ruling relates to a broader shift in the way the nation allocates precious spectrum used to transmit signals for mobile phones, TVs and other devices. The transition was necessary to make spectrum in the 700-megahertz band available for use by next-generation wireless services for consumers and public safety agencies, the commission said.Read the New York Times article.