In addition to these techniques, microwaves and laser beams are used. When a fixed network user is "tied up" with cables and blugs, WLAN user can move freely within base stations coverage area.Tags: Write My Book ReportResume Cover Letter It DirectorComputer Science Dissertation ExampleEssay Informal Letter Give AdviceDraw A Picture Strategy For Math Problem SolvingSimilarities And Differences EssayMarket Analysis For A Business PlanSteps Of Writing EssayFactors To Protect Your Online Identity EssayOpening Sentences For Essays
Data security has remained as the biggest problem even if there are many different level solutions available.
Wireless network security doesn't differ much from wired one, but WLAN is remarkably easier to spy (data moves through public airspace) and hackers are even competing in finding wireless networks, so demands are higher.
The second generation in 2.40-2.483 GHz ISM band WLAN products boosted by the development of semiconductor technology was developed by a huge number of manufactures.
WLAN (Wireless Local Area Network) is a network where computers communicate with each other at first hand (ad-hoc network) or through base stations (infrastructure network).
The first generation Wireless LAN products, operating in unlicensed 900-928 MHz Industrial Scientific and Medical (ISM) band, with low range and throughput offering (500 Kbps), subjected to interference came to market with few successes in some applications.
But they enjoyed reputation of being inexpensive due to break through development in semiconductor technologies, on the other hand the band become crowded with other products with in short period of time leaving no room for further development.
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However, with home networks and students networks you can do this yourself, but remember that in this case you are always responsible for data security and abuse.
During its short history, WLAN has improved in many problematic fields, like device incompatibility, transmission capacity, interference and finally expenses and pricing.