On 2021/11/09 20:38, Jan Stary wrote: > On Nov 09 00:36:03, h...@stare.cz wrote: > > As a naive test of speed, I am downloading a 100MB file > > from a http server just behind the AP with > > ftp -o /dev/null http://stare.cz/.tmp/file > > An average of ten runs is 5.31 MB/s without the diff > > and 3.37 MB/s with the (updated) diff. > > Any idea how enabling 40 MHz could slow it down? > > Jan >
One possibility is interference in the extended part of the channel that isn't present in the basic 20MHz.
