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Written by Jim Geier
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Wednesday, 06 June 2007 |
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Wireless home networking is beginning to proliferate. Learn compelling reasons why installing a Wi-Fi network at home makes sense.
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Written by Administrator
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Sunday, 27 May 2007 |
 I just came back from InterOp trade show in Las Vegas. As usual John Chambers, CEO Cisco Systems, kicked-off the main event by keynoting on May 22nd. I found out from one of the InterOp organizers that the show was attended by about 20,000 attendees from all over the world. This is a big change from four years ago, when economy was soft, the attendance was probably half of this year's. One notable thing this year was that many wireless LAN companies were exhibiting in the general area instead of typical wireless zone.
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InterOp,
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Written by Jim Geier
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Monday, 02 April 2007 |
 I just read an article that offers some good tips on securing public Wi-Fi connections. While on the road this week (literally), I've been very conscious about security while checking email from public Wi-Fi hotspots. My email system uses SSL encryption, so I'm not too concerned about someone passively monitoring my data traffic and finding anything worthwhile.
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security,
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Written by Jim Geier
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Saturday, 17 March 2007 |
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 We recently performed a pre-installation RF study of the entire San Francisco area (50 square miles) by driving around the streets and collecting RF data. This was a bit challenging due to the many hills and heavy traffic, but the sights were amazing! Part of our job was to record a hundred spectrum scans throughout the City. In order to do this, we used AirMagnet Survey software integrated with a GPS and AirMagnet’s Analyzer Adapter, which fits in the PCMCIA slot on a laptop. The software automatically records a spectrum scan in both the 2.4-2.5GHz and 5.0-6.0GHz frequency bands every few seconds while we drove. This was much easier than using a portable spectrum analyzer to record the scans manually.
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Written by Jim Geier
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Saturday, 17 March 2007 |
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Understand how 802.11 multicast traffic can degrade battery life.
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Written by Jim Geier
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Saturday, 17 March 2007 |
RF interference is still plaguing wireless LAN deployments. Many companies have gotten by without any problems, but some have installations that don't operate as well as planned. The perils of interfering signals from external RF sources are often the culprit. As a result, it's important that you're fully aware of RF interference impact and avoidance techniques.
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