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The Electromagnetic Spectrum is the range of all frequencies of electromagnetic radiation.

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Wi-Fi is a system for sending data over computer networks that uses radio waves.

Devices to interconnect Wi-Fi elements:

Wi-Fi routers: They receive the signal from the line provided by the telephone company and distribute it to the Wi-Fi receiver devices within their reach.

Wireless access points: It acts as a remote transmitter. They are used in locations that the router's Wi-Fi signal cannot reach.

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Bluetooth relies on short-range radi frequency, and any device that incorporates the technology can communicate as long as it is within the required distance.

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Infrared technology uses a transmission technique based on the light waves that move within the infrared spectrum.