What is Wi-Fi?

 

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What is Wi-Fi?

Wireless Networking:- 

Wi-Fi is a type of  Wireless technology used in computer networking.

This enables devices like smartphones and tablets to connect to the network.

needing cable. 

     WLAN-Wireless Netw        Mobility

The wireless part of the network is often called a WLAN. Wi-Fi is used for mobility.

This is where devices can move around while still being connected to the network.

A Wi-Fi network usually has one or more Wireless Access Points for Wireless devices to connect to.

You probably have one at home, built into your internet router.

Wireless devices have a Wireless network card built in.

That's a tiny little chip that lets your phone 'talk' point using radio waves.

The use of radio waves is regulated by most governments. that means that you need a special license to use some frequencies or bands. This is to prevent one radio system from interfering with another, which is especially important for things like emergency services. Common Wi-Fi though, uses the 2.4GHz and 5GHz bands.

Radio Frequencies are licensed   Inmost, if not all countries, this is an unlicensed spectrum. Wi-Fi (2.4GHz and 5Ghz) are unlicensed This means that anyone is allowed to use it without needing a special license.

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