What is the full form of WIFI ?

WIFI: Wireless Fidility

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WiFi full form or meaning is Wireless Fidelity.

WiFi is a wireless network protocol that establishes a data transfer or Internet connection between different electronic devices without a physical wire connection.

wifi, which we also call wi-fi, is a local area connection.


WIFI full Form
WIFI full Form


WiFi is a family of wireless network technologies based on IEEE(Institute of Electrical and Electronics Engineers) 802.11

WiFi is a trademark of a non-profit organization called WiFi Alliance.

In other words, WiFi is a local network connection that gives us a way to transfer data between our electronic devices, or the means of connecting electronic devices such as mobiles, computers, laptops, etc. to the Internet.

History of wifi

in 1997, the Australian Radio Astronomer Dr John O Sullivan with his fellow Engineers Terence Percival, Graham Daniel

discovered the WIFI and connects to the internet successfully.

Wireless Local Area Network (WLAN) protocol 802.11 was formed by them and IEEE 802 was constructed.

How WIFI works

WiFi is a technology that allows you to use the Internet on your handheld device, even without a wired connection.

WiFi connects our mobile or other devices wirelessly or over the air with a router or internet.

IEEE or Institute of Electrical and Electronics Engineers defines WIFI standards under the family of 802 network specifications.

here –

802.3 is used for Ethernet

802.15 is used for Bluetooth

802.11 is used for WIFI networking standards

802.11 wifi standard based on its Designation-


Name Speed Frequency
802.11a 54 MBPS 5 GHz
802.11b 11 MBPS 2.4 GHz
802.11d NA NA
802.11g 54 MBPS 2.4 GHz
802.11n 100+ MBPS 2.4 & 5 GHz

use of WIFI

Using WiFi we can create a local area network, which we can connect different devices and transfer data.
Can also use internet service with the help of a router.

  • for DATA transfer between electronic devices
  • for Internet connection

Today WiFi has made our life and internet access more convenient.

We can use the internet anywhere in our home or office on our mobile and personal devices, without the hassle of wire connection.

Today’s new and advanced routers remember connected devices, and the device automatically connects as soon as that device comes back into the Wi-Fi range.

Range of WIFI

As you know wifi is a local area network connection, so its range is limited to a limited area.

The wifi range can be up to 120 meters in indoor and 300 meters in open space.

The range of WiFi also depends on the capacity and type of the router.


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