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I have a funny situation where my wife works. They started out in one office building using Wi-Fi (Linksys AP and cards), but every ten minutes, on the dot, they lose their wireless connection for about 30 seconds, then it comes back. Both computer systems were having the trouble and I, as well as Linksys, couldn't narrow down the situation. I checked the AP but it wasn't rebooting every 10 minutes. For a quick fix they just ran some CAT5 to connect everyone. Then they moved to a completely new building and office. They also installed a new access point, D-Link, and had a few systems with different wireless cards now (Intel, Broadcom, Dell). Believe it or not, the exact same problem happens there, every ten minutes, on the dot, they lose wireless connectivity for about 30 - 45 seconds before it comes back on. I checked the access point and it's not rebooting or failing, very strange. They don't run cordless phones in the office. They do have a microwave, which we unplugged one day to see if it would correct the problem, which it didn't. I would think it's something in the office, since the exact same problem happened at both locations with different equipment. I would have a harder time thinking that any of the other offices would have some equipment causing this problem, since those offices aren't the same ones for the old building they were in. Very strange. Any one have any ideas? -t -----Original Message----- From: MSU Network Administrators Group [mailto:[log in to unmask]] On Behalf Of Amy Fekete Sent: Friday, July 09, 2004 8:29 AM To: [log in to unmask] Subject: Re: [MSUNAG] Laptops, Wi-Fi, Centrino, and Antennas What would you recommend for others with the same wi-fi problem that isn't caused by a panasonic phone? In the evening I lose signal all the time. Amy -----Original Message----- From: MSU Network Administrators Group [mailto:[log in to unmask]]On Behalf Of Richard Wiggins Sent: Thursday, July 08, 2004 11:12 AM To: [log in to unmask] Subject: Re: [MSUNAG] Laptops, Wi-Fi, Centrino, and Antennas Yes, but the ham radio operator down the street managed to intrude on our 900 megahertz conversations constantly, which is what moved us to 2.4G for cordless phones long before we attempted Wi-Fi. When I looked up the FCC rules of engagement, hoping to hamstring the ham, everything I read implied it was the phone's fault, not the ham's. I also read that leakage from cable modems can interfere with ham operations, so my secret wish was that I was inflicting megahertz on him as well. Anyhow, given that a laptop with built-in wireless seems to survive Panasonic's excessively-spread spectrum -- and also 'waving the popcorn -- life is now good. For us, anyhow. I wonder if that Panasonic phone knocks out the neighbor's Wi-Fi? Ahh, life in the 21st century RF neighborhood. /rich On Thu, 8 Jul 2004 10:46:36 -0400 (EDT), Doug Nelson <[log in to unmask]> wrote: > This is one of the reasons I have stuck with a 900 MHz cordless phone, > rather than a 2.4 GHz. > > Next stop, 802.11a? The range may be somewhat less, but you will have > more channels and less competition, at least for a while. > > Doug > > > Doug Nelson, Network Manager | [log in to unmask] > Academic Computing and Network Services | Ph: (517) 353-2980 > Michigan State University | http://www.msu.edu/~nelson/ > >