Wi-Fi is wireless LAN and it is accepted as one of the useful technologies of computer networking. It has just changed the way of data transfer and communication. Wi-Fi does not actually stand for anything but from the term, we get a sense of local area wireless technology.

What is WiFi and How it Works?

WiFi works in the way other wireless devices work. It actually uses radio frequencies to deliver signals between devices. But here the radio frequencies are completely different from car radios, walkie-talkies, cell phones, and weather radios. By using radio waves, it provides wireless high-speed internet and network connections. Wi-Fi is a trademarked phrase and it means IEEE 802.11x.

How does Wi-Fi work- firstly, a computer’s wireless adapter translates data into a radio signal and easily transmits it using an antenna. After that, a wireless router receives the signal and decodes it. The router is there also to send information to the internet using a wired Ethernet connection.

What is the difference between WiFi and the internet?

Wi-Fi is just an attractive term used to refer to wireless networks. Previously, there was the only way to connect devices and the way was network cables to create a local area network. It was inconvenient. But Wi-Fi lets one connect one device to another without cables. Without any physical connection, you will get the network. The router mainly controls these connections. One device communicates with another device through the router.

The internet is known as a wide area network or WAN. It is a vast network linking computers around the globe. After connecting your own wireless network, you will become a part of one huge global network. And it is called the internet.

Do I need a modem for Wi-Fi?

A Wi-Fi router is able to work without a modem. The router is there to provide a Wi-Fi connection to the devices along with IP addresses. In this way, you can easily, send files from one computer to another computer, send a stored video from your phone to TV or Chromecast and even print files.

What is the difference between a Wi-Fi router and a modem?

A router is there to connect multiple networks and route network traffic between them. In this way, the router needs to have one connection to the internet and one connection to the private local network. Most of the routers come with built-in switches and it helps in connecting multiple wired devices. Many routers come with wireless radios that easily let you connect Wi-Fi devices.

On the other hand, a modem works as a bridge between a local network and the internet. Previously, modems were used to modulate the signals on the telephone lines to encode digital information, transmit them, then demodulate and decode on the other end. Modern modems do not work in the same way. According to the type of connection, a modem gets attached to your network. Modern modems are there to give you a standard Ethernet cable output. To properly communicate with your internet service provider, you will need the right type of modem that matches your ISP’s infrastructure.

What do I need WiFi for? [Do I need WiFi for Netflix]

In order to establish Wi-Fi in your home, you will need either a modem connected to a wireless router or a wireless gateway. You can get wi-fi without having an internet service. Devices that provide wi-fi signals for other devices to connect with, can run without an internet connection.

Wi-Fi is not a mandatory thing to enjoy Netflix. Here internet connection is mandatory. With the help of any broadband connection, you can browse Netflix and watch videos.

Day by day, the popularity of Wi-Fi is getting high. It is cost-effective, convenient, and easy to avail. In this way, one can access the internet even outside their regular workplace. Navigation does not affect your productivity if you have Wi-Fi with you.