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Infrared is an electromagnetic wave whose frequency is higher than the microwaves, but lower than the frequency of light that the human eye sees. Use with data communication where there are no obstructions between the sender and recipient. Are most commonly used in communication range is about 10 meters near maximum?

Infrared radiation is at a higher frequency than the frequency of the microwave, but low-light visible to the human eye. The communication barrier between the sender and receiver. Commonly used in communication distance is approximately 10 meters.

Infrared is the electromagnetic frequency microwave but below the frequency of light than human vision. Use with data communication with no barrier between the sender and receiver