How the WiFi works?

Answer 1

(Wide Area Network) A long-distance communications network that covers a wide geographic area, such as a state or country. The telephone companies and cellular carriers deploy WANs to service large regional areas or the entire nation. Large enterprises have their own private WANs to link remote offices, or they use the internet for connectivity. Of course, the Internet is the world's largest WAN.

Answer 2

WiFi is a wireless linking protocol that clients (and access points) use to communicate on the 2.4 GHz spectrum. It is a VERY complicated topic to answer, and most people wouldn't even care, however, if you are interrested, please search on Google for how wireless transmission works, how modulation works, and how wireless networking works.

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Wireless systems transmit using radio waves or infra-red light. So these devices have radio transmission facilities and radio receivers. These radio receivers constantly scan the airways for incoming signals. When it detects the signal it recognises, it captures it and converts it into digital form. The digital signal can be transmitted to the CPU either by cable, or wireless routers can be used. ___________________________________

Wireless technologies (802.11) have radio transmission facilities and radio

receivers. These radio receivers scan the airways for incoming signals (radio waves).

As soon as it detects the signal which it recognizes, it captures it and converts it into

a digital form.

There are different types of the 802.11 such as

802.11a --> which can transmit 5GHz and handle up to 54Mbp/s.

802.11b --> which can transmit 2.4GHz and handle up to 11Mbp/s.

802.11g --> which can transmit 2.4GHz and handle up to 54Mbp/s

802.11n --> which can handle up to 140Mbp/s

There are different peripherals for computers that use wireless technology such as

wireless:

Mouse

Keyboard

Printer

Presentation pointer

NIC's/Router

Some wireless devices also use infra-red light such as remote controls and TVs.

written by Kaleem

Answer 3

Wi-Fi allows LANs to be made without cabling for client devices, typically reducing the costs of network deployment and expansion. Spaces where cables cannot be run, such as outdoor areas and historical buildings, can host wireless LANs. Unlike mobilephones, any standard Wi-Fi device will work anywhere in the world.