On Tue, May 15, 2018 at 10:20:17AM +1000, tomr wrote: > > > On 05/13/18 02:21, Stefan Sperling wrote: > > On Sun, May 13, 2018 at 01:32:59AM +1000, tomr wrote: > >> With one antenna connected, I get about 60-80% signal on my iwm client > >> at a distance of approximately 5m. With two antennas connected, the same > >> client needs to be <1m away from the AP to connect at all, and even then > >> gets about <20%.b > > > > Huh, that is certainly not expected. > > > > This driver generally works fine with two antennas. In fact, 2 antennas > > are required for 11n mode to work correctly (use 11a or 11g mode instead > > if only one antenna is attached). If such an issue was due to a bug in > > the driver it almost certainly would have been noticed elsewhere already. > > > > As a first step, check the health of your antennas and cables. > > > > Looks like it is/was indeed a cable/antenna issue. > > I had a spare ar9280 card. I connected that, being extra careful that > the pigtails were properly seated this time. That improved things > immediately (whether it was the card or the connection I haven't checked > in detail). With the dual-band antennas I've got, ~2.4GHz channels seem > to work much better. > > Thanks for the pointers, > > t >
Thanks for following up! I'm glad the problem is resolved.
