My rMBP Haswell is connected to to 802.11n instead of 802.11ac using the latest Airport extreme. Any idea how to change this to 802.11ac?
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How to use 802.11AC?
- Thread starter UBS28
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This, plus under "Advanced" in network settings, make sure the 5Ghz network is listed higher then the 2.4 in your preferred networks list.
richard13
macrumors 65816
I am experiencing the same problem. The only way I've been able to work around this is to manually click on the wireless icon on the desktop select "Turn Wifi Off" and then back On again. Kind of a pain.
I'm using the Asus RT-AC68U but I'm sure it's the same process. I just have two different names and passwords on each band, 2.4 and 5 Ghz. I made sure my rMBP didn't have any networks remembered and only put in the password for the 5 Ghz network. Since this is the only device with AC capabilities in my house it is the only one logged in on that band. So at worst it would be on N but every time I check it's connected on AC. Make sure nothing else is connected on that band. Wifi can only go as fast as the slowest device connected. So it you have a wireless G device connected the computer will never get AC. Now this is only per channel. Having it connected to the 2.4 Ghz band won't effect it but double check you have nothing else on the 5 Ghz band.
Victor
Victor
Intell
macrumors P6
This is not correct for modern MIMO wireless networks. It was more a problem when G networks first came out and they only had one antenna. Current MIMO wireless routers drop one of their antennas to the A/B/G protocol and keep the other one or two antennas operating at the N/AC protocol. There are even some MIMO G wireless routers that are also not effected by this limitation.
Good to know. I'm not surprised that my knowledge is outdated. Thanks for the correction.
Victor