What is it, what is it for and how does WiFi work? – Advantages and disadvantages


Wi-Fi is a very popular network connection mechanism today. Many people prefer its use because they allows greater mobility and dynamism when connecting.

It all started with the creation of the Internet, where different companies had a constant desire to develop a better service, and thus get the most out of this tool.

After a while, oscillating around the year 2000, large companies like Nokia and 3Com decided to create the Wireless Ethernet Compatibility Alliance (WECA). Based on this, they pretended implement the use of wireless technology globally, so that different devices have compatibility with it.

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Wi-Fi was born from this idea, an undertaking launched at the beginning of the 11th century, which allowed teams to work together with each other through the transmission of the network.

Wi-Fi connection overview

Its name comes from «Wireless Fidelity», whose translation means «Wireless Fidelity», which is established as a telecommunications technology that makes use of its name.

That is to say, enables wireless connection between different electronic equipment, which have within their system a compatible computer configuration to make use of the network. In this way, each device manages to connect to the Internet through a specific Wi-Fi network, and in turn, they link the computers together, within a single network.

Wi-Fi connection

Through the evolution of technology, it was possible to adapt equipment to make use of the Wi-Fi network, some of them are mobile phones, computers, televisions, music players, video game consoles, among others.

Likewise, this Internet connection extension is used so that each computer that is connected to the network is capable of exchange informational data.

Regarding its wireless capacity, it allows avoid the use of cables and other intermediaries, as each device has a receiving antenna that allows you to access the platform.

How do Wi-Fi connections work?

These networks are made up of a wireless adapter, which contains the connected device, and a router, which is responsible for generating the signal.

First of all, the router is connected to the Internet through a cable. This is responsible for transforming the data into radio waves so that they can be transmitted through the air, within an area that varies from 5-150 meters in amplitude.

How Wi-Fi connections work

On the other hand, there are the decoders of the device’s wireless adapter, which is responsible for transforming the waves back into digital data.

The information is interpreted by the computer’s processor and generates the Internet connection, which will improve depending on the proximity that is owned in relation to the router.

It is important to note that this cycle is repeated each time the team is in charge of sending information to the Internet platform, only in reverse.

Advantages and disadvantages of wireless connections

Currently, the Wi-Fi network is enabled in many spaces, because it offers a greater degree of comfort and movement. This is directly related to the no dependence on cables.

Likewise, all electronic devices have high compatibility with wireless connections, regardless of the brand with which it was manufactured.

Because it travels through radio waves, spending on infrastructure modifications is nil. In this way, depending on the number of computers allowed by the router, multiple computers will be able to receive the Internet connection they need.

However, a very important aspect, and unfortunately negative, is that wireless browsing speed is low compared to wired. The variability depends on the types of interference that the signal can receive. On the other hand, it deserves security to work optimally, since any entity will be able to receive the transferred data.

In short, Wi-Fi networks have come to transform the way you connect to the Internet, also allowing all your devices to communicate with each other.

The exchange of information is an indispensable aspect nowadays, for which we thank the evolution of technology for offering us this incredible tool.

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