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Submission + - Ask Slashdot: convention hall WiFi interference 2

bbowman writes: one of my job responsibilities is to set up the small network for our company's exhibit at the trade shows we attend. the mobile demo devices we use depend upon a reliable WiFi connection to a router I have in the exhibit. in the days leading up to the opening of the trade show, WiFi connections are reliable and work as expected. however as soon as the show opens none of our devices can reliable maintain a WiFi connection to the router. The devices we use at the trade shows are Windows-based laptops, iPods/iPads, Android tablets, and a variety of WiFi enabled cell phones. I have tried using channels 1, 6, and 11 (as well as the others) and used different routers (Linksys, D-Link, Netgear) without success. I'm sure it is likely that there are poorly insulated electrical cabling, fluorescent lighting, and other issues that would contribute to WiFi interference in the convention hall. A quick scan shows dozens and dozens of discoverable WiFi networks nearby.

If I take the router back to my hotel room, I have zero connection problems. How can I overcome this so that WiFi works reliably in the convention hall?
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Ask Slashdot: convention hall WiFi interference

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  • It is likely that this is not interference, but rather an issue of trying to get too many devices connected to one access point. You need a wifi array rather than a consumer wireless router if you want to have tons of clients on one wireless network.
  • What's happening to you isn't "poorly insulated electrical cabling, fluorescent lighting, and other issues that would contribute to WiFi interference." What's happening to you is that all of the "dozens and dozens of discoverable Wi-Fi networks nearby" are interfering with your router's ability to hear your demo devices (or, conversely, the demo devices' ability to hear the router).

    This is a tough problem for the individual exhibitor to solve. Possibly the best alternative is to move to 5 GHz (802.11a), i

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