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Given the attached scan is there any hope at all of me getting wifi working properly? I work in a games development environment and we believe the wall of interference shown here is 200+ xboxes and PS3s with wireless controllers all in an open-plan environment.

As far as we can tell it's not possible to turn off bluetooth on the PS3s or MSs proprietary 2.4GHz protocol which they use for the controllers, so even if we switch to wired controllers the situation doesn't improve much. Further, the interference is like this even when the consoles are apparently off (because they can be woken up from their slumber by the controllers). To reduce the interference we have to go around the room pulling the power cords on them all and then we see a significant reduction, which only returns when we power them again.

I know we have the option to invest in 5GHz, but we have a lot of legacy devices that will not support the 5GHz band so ideally I need to make the 2.4GHz band work.

Any help very gratefully received.

Thanks, Adam.