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Wireless communication systems

  • RadarIn 1886, German physicist Heinrich Hertz demonstrated that radio waves could bounce off solid objects. This discovery laid the foundation for all future…
  • Wi-FiIn 1985, the U.S. Federal Communications Commission released parts of the ISM bands for unlicensed use in the United States.
  • Communications satelliteIn October 1945, Arthur C. Clarke published an article titled "Extraterrestrial Relays" in the British magazine Wireless World.