#wireless  transmission by radio waves
  supertype:  #telecommunication  (often plural) systems used in transmitting messages electronically
  subtype:  #radiotelegraph__radiotelegraphy__wireless_telegraphy  telegraphy that uses transmission by radio rather than by wire
  subtype:  #radiotelephone__radiotelephony__wireless_telephone  telephony that uses transmission by radio rather than by wire

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