TWRoO said:
But wireless internet uses radio waves doesn't it?
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Exactly, just like bluetooth. Actually not just like bluetooth, as bluetooth hops away and tries again, and wi-fi slows down and tries again when there is loss.
The single 22 MHz-wide Wi-Fi channel occupies the same frequency space as 22 of the 79 Bluetooth channels which are 1 MHz wide. When a Bluetooth transmission occurs on a frequency that lies within the frequency space occupied by a simultaneous Wi-Fi transmission, some level of interference can occur, causing problems for both lag in games and unresponsive controllers.
As there is measurable slowdown using a wireless connection compared to wired ethernet when the wii remotes are idle, just think how much worse it is when playing a game and moving the the wiiremotes around transmitting all that data over overlapping channels.








