Television

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Across
  1. 5. Waves used to transmit audio and video signals
  2. 7. Light Emitting Diode, used for backlighting modern TVs
Down
  1. 1. Device that sends electromagnetic waves to your TV
  2. 2. Television technology that gives depth to images
  3. 3. Liquid Crystal Display technology
  4. 4. Wave A powerful wave used to carry video and audio signals
  5. 6. Old television technology using electron guns and phosphor