On Mon, Feb 06, 2017 at 11:12:45AM -0800, cory novak wrote: > (sorry if this is a duplicate, got a 'we don't accept html mails' error back) > ---------- Forwarded message ---------- > From: cory novak <cory.novak at gmail.com> > Date: Mon, Feb 6, 2017 at 11:07 AM > Subject: possible mismatch Canadian regulatory info > To: wireless-regdb at lists.infradead.org > > > I really tried to use alternate mediums before bothering this list > with info that appears to me to be mismatched, but, could easily > simply be a result of my lack of knowledge. Here's my info: > > > Canada values from this source: > http://git.kernel.org/cgit/linux/kernel/git/sforshee/wireless-regdb.git/tree/db.txt?id=HEAD > > For Canada (5170 - 5250 is where I'm focusing): > > country CA: DFS-FCC > (2402 - 2472 @ 40), (30) > (5170 - 5250 @ 80), (17), AUTO-BW > (5250 - 5330 @ 80), (24), DFS, AUTO-BW > (5490 - 5600 @ 80), (24), DFS > (5650 - 5730 @ 80), (24), DFS > (5735 - 5835 @ 80), (30) > > *SEEM* to differ to my completely amateur eye vs industry canada > section 6.2 here: > http://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf10971.html#s6.2 > > This is the applicable text for that band: > > "The maximum e.i.r.p. shall not exceed 200 mW or 10 + 10 log10B, dBm, > whichever power is less. B is the 99% emission bandwidth in megahertz. > The e.i.r.p. spectral density shall not exceed 10 dBm in any 1.0 MHz > band." > > An easier source to parse for the IC data : > http://www.semfionetworks.com/blog/industry-canada-new-5ghz-band-regulations > > This is the output from my Archer C2600: * 5180 MHz [36] (17.0 dBm) > * 5200 MHz [40] (17.0 dBm) > * 5220 MHz [44] (17.0 dBm) > * 5240 MHz [48] (17.0 dBm) > > > It appears that the 5170-5250 band is way under spec at 17dbm instead of 23dbm. It looks to me like you are correct. Would you like to send a patch? Or if you aren't familiar with patching the regulatory db I can generate one. Thanks, Seth
