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Imagine such a situation – you go to your favorite café, you take a laptop with you and when entering the place of your destination – you just switch on your computer and connecting to the Internet. Could you believe just some years ago that it’s possible to have access to the global network without wires? So, we’ll talk about very popular topic today – wireless Internet.

Probably, when others were speaking about wireless Internet, you’ve heard many times that they were using the name Wi-Fi. What does it mean? Let us clear the situation. There is the Wi-Fi Alliance that licensed “Wi-Fi" (Wireless Fidelity) as a brand. Wi-Fi resembles with mobile technology. You can use it indoors and outdoors and you don’t need wires. At the very beginning Wi-Fi was invented for usage in mobile devices (lap tops or cell phones) but later it was widely used by many other applications.

Wi-Fi is a wireless technology that uses radio frequencies to transfer data. Wireless equipment transmits Internet protocol data to a host computer. Due to Wi-Fi you can connect to the Internet without cables or wires. So, nowadays, this technology is much used in accessing network on mobile phones, computers, laptops and PDAs. Wireless connecting is possible when your network device (personal computer or lap top) is equipped with wireless network interface card. Wireless Internet connection provides connection to e-mail, mobile banking, instant messaging, news, weather, travel information and other services.

Wireless network can be set at different places. Wi-Fi is preferred in working at house environment or in business sector. Well, if you decided to set a wireless network at home you will have the opportunity to enable everyone’s accessing at each other’s computers. Within small business offices Wi-Fi allows all the users to share network devices (data files, printers etc) and a single Internet connection. Whether you work at home or run a business, it’s very easy to get Internet access when you buy new computer and want to have the Internet on it. You don’t have to install various cables. Everything you need is just to add a Wi-Fi radio to the new computer and it will work.

Public Wi-Fi hot spots have become very popular. It’s not news to see Wi-Fi labels at coffee shops, hotels, airports and at other places where gather a lot of people. At these locations guests and visitors have an opportunity to use wireless Internet. Everyone can connect using Wi-Fi equipped laptop computers and portable computing devices.

So, lets speak about advantages and disadvantages of wireless Internet. It’s quite obvious that due Wi-Fi you may forget about inconvenience that cause plenty of wires. The devices become more mobile. You can take your laptop to the shop, airport, or at any other public place and you’ll be able to access the Internet. Due to Wi-Fi people can move within a given hotspot without loosing a connection. Specialists point out that Wi-Fi is a very economical networking option. This type of connection saves your money considerably. Wi-Fi also doesn’t depend on weather conditions. No matter what the weather is outdoors – your Internet works.

But we can’t but mention a disadvantageous point. Wi-Fi uses an Ethernet 802.11b standard. Many cell phones and blue tooth devices use this frequency. Such a neighborhood may interrupt the work and it can cause a loss of signal. So, it’s up to Wi-Fi users to choose an access point that is not close to mentioned devices. Another disadvantage is that the most universal wireless encryption standard (WEP) breaks even when correctly installed.

We think that you’ll agree with us if we say that every genius thing is simple. Wi-Fi is based on well-known technologies and it’s very convenient in applying. A lot of scientists try to do their best in improving quality of our life. They are working at inventing new devices that would make such an important thing, as retrieving information and communicating with other people, easy and trouble-free. We guess that Wi-Fi will have a bright future. But in order to reach a success, several key factors, that were mentioned, must be overcome.

Nowadays, Internet plays a significant role in modern communications. Due to global net it’s possible to get and send any type of information within seconds. Our ancestors would envy us, because even one century ago it was hard to believe that new technologies can change life so deeply. Internet has become a part of our routine life and we gain the benefits that it provides us.