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I've just purchased a dell l502x with an intel 6230 wifi. I've installed ubuntu 11.04 64 bit. It works, but when i use only the battery the connection slows down (my maximum download is 800kB and when my dell is unplugged it goes down to 200kB).
I think that is a sort of power saving, but how can i manage that?

Anybody knows something about that? Thank you!

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up vote 1 down vote accepted

Use the command

sudo iwconfig wlan0 power off
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