If there are 13 Wifi channels, can I only use 13 Wifi devices on the same room?
Problem
As wikipedia reference, 802.11 standards (which defines Wi-fi networks) tell us that wireless networks works with 13 different channels on OFDM (depending on the release, a, b, g or n). From this I was wondering, if I have more than 13 machines on the same room (one room work for example with 50 notebooks), it would be impossible to connect all of them to internet at the same time? I mean, each device would use one specific channel to communicate with the acess point, limiting the acess point to 13 permanent connections. How does all this stuff really work?
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1 Fix
Fix for: If there are 13 Wifi channels, can I only use 13 Wifi devices on the same room?
First of all, the U.S. only allows 11 of those 13 channels. Additionally, the original wifi developers made a mistake, of sorts, and signals within channels bleed over to their neighbors... there are really only 3 channels you should use: 1, 6 and 11. Keep in mind that applies to the 2.4Ghz spectrum. There's also the 5Ghz spectrum that has more channels, less contention (for now), and is supported for 802.11ac, but has less propogation through things like walls and trees. 2.4Ghz is old busted; …
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