On Nov 12, 2003, at 3:19 PM, Marc E. Fiuczynski wrote:
A friend is installing a Linksys WRT54G at his cafe to offer free WiFi
service to his customers. Unfortunately, we cannot get it to work well
enough most likely due to signal interference problems. After some diddling
aournd, we realized that the problem might stem from his 2.4Ghz video
surveillance system. After turning it off, we still couldn't get it to work.
Try putting the unit into b-only mode, as 802.11g does not have the adjacent channel rejection that the same chips in 802.11b will have. Move the channel around to see if one is better than the others.
However, we then noticed that his video surveillance receiver was picking up
a strong video signal from a store across the street. So, it seems that the
interference is _also_ coming from across the street. At this point, it is
not clear whether he can reasonable request that his neighbor turn off his
video system.
He can request, but if the neighbor says no there is nothing he can do about it. Try putting a directional antenna pointing away from the neighbor's video system.
--
Hopefully someone can help you with the following questions:
- What can be done to mitigate this? Would some sort of "antenna" solve this
problem, in order to provide service to just a small area within his cafe?
- Is there any software or hardware that can be purchased to track down 2.4Ghz interference?
Thanks, Marc
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