On 21 November 2016 at 10:46, Matteo Grandi <iu5bdp@xxxxxxxxx> wrote: > Dear Bob, Michal, all, > > I've just tried your advices (actually I already tried it following > the wireless.wiki.kernel web pages) and I had a look at the syslog > while I was typing the commands > At the beginning I have this [...] > Other (hopefully) useful info: > root@MrProper:~# iw reg get > global > country US: DFS-UNSET > (2402 - 2472 @ 40), (3, 27), (N/A) > (5170 - 5250 @ 40), (3, 17), (N/A) > (5250 - 5330 @ 40), (3, 20), (0 ms), DFS > (5490 - 5600 @ 40), (3, 20), (0 ms), DFS > (5650 - 5710 @ 40), (3, 20), (0 ms), DFS > (5735 - 5835 @ 40), (3, 30), (N/A) > (57240 - 63720 @ 2160), (N/A, 40), (N/A) > > phy#2 > country US: DFS-UNSET > (2402 - 2472 @ 40), (3, 27), (N/A) > (5170 - 5250 @ 40), (3, 17), (N/A) > (5250 - 5330 @ 40), (3, 20), (0 ms), DFS > (5490 - 5600 @ 40), (3, 20), (0 ms), DFS > (5650 - 5710 @ 40), (3, 20), (0 ms), DFS > (5735 - 5835 @ 40), (3, 30), (N/A) > (57240 - 63720 @ 2160), (N/A, 40), (N/A) > > phy#0 > country US: DFS-UNSET > (2402 - 2472 @ 40), (3, 27), (N/A) > (5170 - 5250 @ 40), (3, 17), (N/A) > (5250 - 5330 @ 40), (3, 20), (0 ms), DFS > (5490 - 5600 @ 40), (3, 20), (0 ms), DFS > (5650 - 5710 @ 40), (3, 20), (0 ms), DFS > (5735 - 5835 @ 40), (3, 30), (N/A) > (57240 - 63720 @ 2160), (N/A, 40), (N/A) > > phy#1 > country US: DFS-UNSET > (2402 - 2472 @ 40), (3, 27), (N/A) > (5170 - 5250 @ 40), (3, 17), (N/A) > (5250 - 5330 @ 40), (3, 20), (0 ms), DFS > (5490 - 5600 @ 40), (3, 20), (0 ms), DFS > (5650 - 5710 @ 40), (3, 20), (0 ms), DFS > (5735 - 5835 @ 40), (3, 30), (N/A) > (57240 - 63720 @ 2160), (N/A, 40), (N/A) >[...] > > Checking on Internet I didn't find a working solution, and the data > rate stucks to 120Mbps MCS7. > For me it still a mistery, I hope in your help. Note the "@ 40" for all frequency ranges (except 60GHz band). Your regulatory database seems to be limiting you to 40 MHz (it's probably very old/ out of date). You'll need to update it to be able to use 80 MHz. Michal