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Wi-Fi Insecurity
Kirt's Cogitations™ #44

These original Kirt's Cogitations™ may be reproduced (no more than 5, please) provided proper credit is given to me, Kirt Blattenberger.

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   Cog·i·ta·tion [koj-i-tey'-shun] – noun: Concerted thought or
                                        reflection; meditation; contemplation.
   Kirt [kert] – proper noun: RF Cafe webmaster.


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Wi-Fi Insecurity

Due to security concerns with Wi-Fi (802.11) data transmissions, the International Olympic Committee banned the use of WLAN at the 2002 Winter Games, and stated that it would likely be 2008 before security issues would be sufficient to permit its use. A hacking program named "AirSnort" allows anyone with a Linux box and a wireless networking card to intercept a transmission and have his way with it. Credit card numbers, business presentations, stock trading information and medical records are some of the prime targets of hackers.
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RF Cafe Software

RF Cascade Workbook
RF Cascade Workbook is a very extensive system cascaded component Excel workbook that includes the standard Gain, NF, IP2, IP3, Psat calculations, input & output VSWR, noise BW, min/max tolerance, DC power cauculations, graphing of all RF parameters, and has a graphical block diagram tool. An extensive User's Guide is also included. - Only $35.
RF system analysis including
frequency conversion & filters

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