With the fast evolution and advancement of the Internet, millions of people all over the world make use of the Internet in their daily life. The internet offers a lot of useful information such as weather forecast, entertainment, research, music, news, online shopping, and many more. The Web also provides a more convenient way for people to communicate with others even in far away countries.

Businesses are also dependent on the Internet in dealing with their clients whether local or abroad. They too are kept posted with the trends as well as stock updates though the Net. They also use corporate e-mails in nearly all of their correspondence. Customer services and technical support of many companies also rely on the power of internet. Indeed, the Internet had become a necessity for ordinary people as well as business people.

Because of enormous growth of dependency on the Internet, people want to have internet connection even when on the go. This is now possible through the development of wireless Internet. Wireless Internet is popularly known as Wi-Fi, which is the trade name of this kind of wireless technology. A wireless Internet access is commonly called as hot spot in which a LAN or local area network transmits radio waves as opposed to a wired network.

Internet connection is broadcast with the use of a central hub connected to a computer system that functions as the server. The server broadcasts the signal to clients which have Wi-Fi capable devices such as desktop computers, PDAs, laptops, mobile phones, game consoles, and many more electronic gadgets. The wireless internet covers diverse IEEE 802.11 advanced technologies such as 802.11n, 802.11b, 802.11g, and 802.11a.

A home network can be set with wireless Internet, as well. This is done through the utilization of a router which performs as an access point. The router broadcasts Internet connectivity to Wi-Fi enabled devices within its area of reach. With this set of connections, anyone from the family can make use of their laptops or desktops and can gain access to the Internet.

What's more, wireless Internet through home network can also be accessed by neighbors without your knowledge. To resolve this issue, a password security can be configured so that only authorized devices can have access to the network. With the growing risk of security issues, the security protocols for Wi-Fi log on have been made available with the employment of Wi-Fi Protected Access (WPA) and the Wi-Fi Protected Access 2 (WPA2).

Wireless internet through its public hot spot is being offered for free to its customers by many business establishments. These establishments include internet cafes, food chains, coffee shops, hotels, and restaurants. Some airports also provide the same service for travelers' convenience. These features are becoming very prevalent in many places and countries. There are also a number of cities which provide wireless Internet access to their residences and visitors. Since the hot spot can cover only a certain area, you have to be within the range of the hub in order to log on to the Web.

Significantly, a wireless Internet is of great advantage compared to wired network. Wired network usually consumes a lot of time in order to set up in a building or house. It also entails more expenses as it requires a lot of UTP cables to be wired for each of a client's computers. In some instances, there is a need to route wires through thick wall or ceilings. Wireless LANs can be deployed easily and is less expensive. More clients can be added to the network without the necessity for extra materials.

Since 2008, many of the latest laptops and gadgets come with a built in wireless network device. There are also a lot of gadgets which can be applied for computers or laptops that do not have any wireless network device. Some of these devices are the USB Wi-Fi adapters, PCI wireless adapters, PCMCIA Wi-Fi cards and other similar devices. There are also wireless repeaters used to extend the range of signal of any existing wireless network. This device is ideal for locations having many physical barriers like thick walls and in cases where there is a need to share the Internet in two separate buildings.