This is due to restrictions of the linux driver. Upstream is working on it, but it seems to be not an easy task. Especially the bcm4318 (or latest b43) seems to be only usable with rates <=11MBit/s.
This is due to restrictions of the linux driver. Upstream is working on it, but it seems to be not an easy task. Especially the bcm4318 (or latest b43) seems to be only usable with rates <=11MBit/s.