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Old 05-17-2005, 08:41 PM   #5 (permalink)
Mephisto2
Junkie
 
Quote:
Originally Posted by MahlerIsGod
Greetings Kids,
I have a few questions for the assembled wisdom.

Another wireless network as sprung up in the neighborhood. Can a competing network erode or degrade my wireless signal? When I click on my Linksys Monitor, it is detecting a signal that is comparable to my strength. I have WEP enabled and I am a different channel (it appears they don't.) Whenever that signal approachs mine or surpasses mine my connection turns to nothing. I can normally download at 300-240kbs. On occassions such as this, I can only download at 40-60kpbs (uploading isn't even an option.) Is this connection ruining mine? Or is this simply my crappy Comcast connection? Any thoughts, suggestions, info, etc. Thanks
What channel are you on and what channel is the other network using?

Though there are typical 11 (or sometimes 14 depending upon your country) channels in the 2.4Ghz frequency range, only three of these are "non-overlapping channels"; 1, 6 and 11.

As you can see from the graphic below, the other channels, whilst distinct, "overlap" with nearby channels. In other words, each channel is about 22Mhz wide, but they begin less than 22Mhz from each other. The only way to ensure that you don't have any interference is to ensure that you choose a channel that is at least 22Mhz from the interfering channel.



Put another way, make sure you are at least "5 channels" away from any other channel you can detect if possible (and more if possible). So if they are channel 1, you should choose 6 or preferably 11.

Hope this makes sense.

BTW, you say you have enabled WEP. If possible, use WPA as WEP is not secure. If you cannot, at least change your WEP key every few weeks. It's good practice.

Any more WLAN questions, just ask.

Mr Mephisto
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