Facebook SDK

WiFi full form: What is WiFi?

In this post, you'll know:

Let's first know the full form of WiFi. So, the full form of WiFi is Wireless Fidelity

As we all know that the Internet was invented many years ago, but not everyone could use it because a lot of cables were needed to use the Internet. The Internet could only be accessed via cable, but as technology improved, the process of simplifying complex things changed as well.

Due to changes in technology every day, computer scientists finally created a wireless network called WiFi instead of wire cable, and we use it everywhere.

About ten years ago today, everyone couldn't use the internet, for this people had to go to internet cafes. But today the internet has reached everyone's hand and it does not require a cable. Currently, everyone can access the internet, most of the credit goes to WiFi technology.

Whether we want to access the Internet on a mobile, laptop, or computer, we now use WiFi for that. So through today's article, I will give you complete information about this popular technology.

What is WiFi?

WiFi (Wireless Fidelity) is the name of a popular wireless networking technology that uses radio signals to provide high-speed Internet and network connections. It was invented by John O'Sullivan and John Dean in 1991.

It is a wireless networking facility also known as WLAN i.e. Wireless Local Area Network.

It is a technology through which we are using internet and network connection today. With its help, you can easily connect devices like mobiles, laptops, computers, and printers to the Internet network.

This technology comes in the local area network. This means that the range is limited to a small area only.

Through this, we can connect to the internet up to a limited place. Not only the Internet, but today's people also transfer data wirelessly through it like SHAREit.

It is said that Wireless Fidelity has no real meaning. WiFi Alliance company manufactures WiFi devices, its name is derived from HiFi i.e. High Fidelity.

WiFi is a standard followed by which computers are connected to a wireless network. In today's time, all smartphones, laptops, computers, and printers have a WiFi chip, through which we connect to the wireless router and use the Internet.

WiFi-connected devices can only access the Internet through a wireless router. But the router also has to use DSL (Digital Subscriber Line) and cable modem to connect to the internet.

But the router also has to use DSL and cable modem which is connected to the ISP (Internet Service Provider) to stay connected to the internet.

There are many types of hotspot devices available these days, in which multiple devices connect to the Internet via WiFi at the same time via a wireless signal.

How does WiFi work?

WiFi technology consists of a device that transmits a wireless signal, usually a WiFi router or hotspot. In this, a wireless router connects to the Internet and converts the information into radio waves.

And the WiFi device connects to the WiFi signal present in the environment and creates a small wireless signal area around itself called WiFi Zone.

This small area takes the form of WLAN. All the devices in this small area like smartphones, laptops, and printers, these devices have in-built wireless adapters, with the help of which this device can easily receive WiFi signals.

But desktop computers don't have an in-built WiFi adapter, so we can use WiFi by plugging in the adapter via USB (Universal Serial Bus).

If you ever go to the airport, railway station, or coffee shop, then you are in the WiFi zone at that time. There are also many cities where the government has created a WiFi zone, where people go and use the Internet for free.

Whenever there is wireless communication, it is always two-way radio communication. Let me tell you how two-way communication happens.

Suppose a laptop is connected to WiFi and is using the Internet to transfer data. So you have a laptop wireless adapter that converts the data into radio waves and transmits it using its antenna. Now the wireless adapter receives this signal and decodes it.

The router sends information to the Internet through a physical wired Ethernet connection and thus transmits data from one device to another in the WiFi network. The same process works just the opposite, with the router receiving information from the Internet, then converting it into a radio signal and sending it to the laptop's wireless adapter.

Radio waves emanating from a WiFi router travel across the wall, with WiFi reaching other rooms in the building as well. However, one wireless router is sufficient for one home. The speed of the WiFi network is high near the router but the speed of the WiFi network decreases as the distance from the router increases.

The hotspot option also comes with WiFi service in today's smartphones, i.e. you can not only use other WiFi networks. By using your phone as a router, you can also provide an Internet connection from the hotspot to many other devices.

If suddenly your mobile data runs out then you can use WiFi. You can use WiFi by turning on the hotspot in any of your friends' mobiles.

Benefits of WiFi

  • This technology is very user-friendly. You can easily connect any smartphone, tablet, or laptop to WiFi.
  • It is very easy to use, all you have to do is turn on the WiFi router, if you have a password, you can connect to WiFi and enjoy the Internet.
  • Earlier it was difficult to get WiFi everywhere but in today's time, it is available everywhere. With the help of WiFi, you can access the internet on the go from anywhere like bus, rain, coffee shop, supermarket, etc.
  • With a single WiFi device, you can connect many other mobile devices like 5 to 6 mobile devices that can be connected to the router. This connection happens very quickly.
  • The speed of a WiFi router is much higher than that of a cellular network, you can take advantage of 1 Mbps to 100 Mbps. Data transfer speed is fast when we access the internet from WiFi, we can easily send and receive audio, video, and text.
  • There is a limit to mobile data, but in a WiFi network taken from a broadband connection, you get more than 50 GB of data every day, ie you can use the Internet as much as you want.
  • The most important thing about WiFi is that you can run your WiFi router in any country in the world, meaning you can use a WiFi router anywhere.


From this article, you learned that WiFi is a wireless technology that can be used anywhere. Multiple devices can be connected to WiFi and Internet sharing can be done through it. Nowadays all smartphones support WiFi facilities.

So hopefully, from this post, you have got all the information related to WiFi full form, what is WiFi, how WiFi works, and what are the benefits of WiFi. If you liked this post, then share it as much as possible.

Also Read: Modem vs Router: What's the Difference?


Please do not enter any spam link in the comment box.

Post a Comment

Please do not enter any spam link in the comment box.

Previous Post Next Post