Explain infrared transmission.
Answers
ans= Infrared transmission refers to energy in the region of the electromagnetic radiation spectrum at wavelengths longer than those of visible light, but shorter than those of radio waves. Correspondingly, infrared frequencies are higher than those of microwaves, but lower than those of visible light.
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WHAT IS A INFRARED TRANSMISSION?
Infrared transmission uses the frequency range from 300GHz to 400THz to carry signals. We use infrared transmission to transfer data between mobile phones and laptops and between a laptop and a wireless mouse or a keyboard.
ADVANTAGES
1) Infrared transmission requires minimum power to operate and can be set up at a low cost.
2) This is a secure way to transfer data between devices as the signal cannot pass beyond a room or chamber.
DISADVANTAGES
1)The speed of data transfer in infrared is slow.
2) Infrared can be used for a small range distance.
3) Infrared signals are interpreted by objects and people.
4) These signals are impacted by weather conditions.
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