What is Infrared signal

Infrared is a wireless mobile technology used for device communication over short ranges. Infrared is a means of using light to transmit a signal over distance, so LED is used to transmit the IR signal, which passes through a lens and focuses on a beam of IR data.

There are many inexpensive IR systems designed for use TVs, and many theaters use IR to broadcast to the IR equipped headsets that they will loan to patrons who want to hear the movie better.

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