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The Internet Adopts Two-Way Radio, Henry Perritt

All Faculty Scholarship

The Internet, having displaced conventional correspondence with email, having displaced traditional libraries with online ones, having revolutionized shopping, having uprooted television and movies, now is absorbing police, fire, ambulance, and public utility two-radio systems.Digital radio technologies combine with Internet switching of transmitters, receivers, and networks, so that a police officer can talk to an ambulance driver or a train dispatcher across the state or across the country. Specialized cellphones are becoming indistinguishable from walkie-talkies. Cellular telephone channels replace two-way-radio air links.Integration of “private mobile radio” into the Internet is the result of specific advances in radio and networking technology that …