I did my undergrad in Seattle and had this issue. I eventually made 10 or so unprotected wifi printers spit out the "how to turn off wifi printing" page of the

I did my undergrad in Seattle and had this issue. I eventually made 10 or so unprotected wifi printers spit out the "how to turn off wifi printing" page of their manuals. Definitely cleared up a bit of 2.4ghz room.