The term radio is used variously to describe the technology for wireless broadcasts using electromagnetic radiation as a carrier of a signal, the wireless broadcast of audio signals, and the physical hardware that receives these signals and processes them into audible signals for ...

  • Loading...
locked icon

Sign in to access this content

Get a 30 day FREE TRIAL

  • Watch videos from a variety of sources bringing classroom topics to life
  • Read modern, diverse business cases
  • Explore hundreds of books and reference titles