INTRODUCTION

A wireless local area network (LAN) is a flexible data communications system implemented as an extension to, or as an alternative for, a wired LAN. Using radio frequency (RF) technology, wireless LANs transmit and receive data over the air, minimizing the need for wired connections. Thus, wireless LANs combine data connectivity with user mobility.

Wireless LANs have gained strong popularity in a number of vertical markets, including the health-care, retail, manufacturing, warehousing, and academia. These industries have profited from the productivity gains of using hand-held terminals and notebook computers to transmit real-time information to centralized hosts for processing.

Today wireless LANs are becoming more widely recognized as a general-purpose connectivity alternative for a broad range of business customers.
Business Research Group, a market research firm, predicts a six-fold expansion of the worldwide wireless LAN market by the year 2000, reaching more than £2 billion in revenues.

WHY WIRELESS?

The widespread reliance on networking in business and the meteoric growth of the Internet and online services are strong testimonies to the benefits of shared data and shared resources. With wireless LANs, users can access shared information without looking for a place to plug in, and network managers can set up or augment networks without installing or moving wires.

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HOW WIRELESS LANs ARE USED IN THE REAL WORLD?

Wireless LANs can compliment existing LAN networks—often providing the final few meters of connectivity between a wired network and the mobile user.

Some of the examples of wireless motion are workers in dynamic enviroments do not have to worry about being tied to one location as often is the case with a wired solution users can surf the web,share applications,sync data on their PDA,S all at the click of a button and more importantly without worrying about space restrictions.

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HOW WIRELESS LANs WORK?

Briefly Wireless LANs use electromagnetic airwaves (radio or infrared) to communicate information from one point to another without elying on any physical connection.

Radio waves are often referred to as radio carriers because they simply perform the function of delivering energy to a remote receiver. The data being transmitted is superimposed on the radio carrier so that it can be accurately extracted at the receiving end. This is generally referred to as modulation of the carrier by the information being transmitted.

Once data is superimposed (modulated) onto the radio carrier, the radio signal occupies more than a single frequency, since the frequency or bit rate of the modulating information adds to the carrier.

THE FUTURE

There is no doubt that Wireless Networks are the way forward like anything new there are always teething problems but its improving all the time,vendors have now taken it upon themselves make it more secure and more reliable,the huge savings on not having to wire your office space with traditional CAT5 cabling means that you can spend your savings on the security side of things there are a few vendors now that have secure solutions for wireless networks , most of the problems that arise with wireless networks interms of security breaches is the fact that users arent even bothering with the most basic aspects of securing a wireless lan.

Our aim is to deliver a comprehensive service.We will design, and implement a secure wired or wireless Network solution to suit your business needs.

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