On Fri, Jul 3, 2015 at 4:08 AM, Zefir Kurtisi <zefir.kurtisi at neratec.com> wrote: > > On 07/02/2015 07:44 AM, Wei Zhong wrote: > > commit 2fef4cad8a1bd9cbbf178e59a1b3ca672b057095 > > Author: Wei Zhong <wzhong at google.com> > > Date: Wed Jul 1 22:39:09 2015 -0700 > > > > wireless-regdb: update CA rules for 5600 - 5650 mHz > > > > Related regulation: > > http://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf10971.html#s6.2.3 > > > > Frequency Bands 5470-5600 MHz and 5650-5725 MHz > > Until further notice, devices subject to this section [i.e. Wifi device > > supporting 5 GHz bands] shall not be capable of transmitting in the band > > 5600-5650 MHz. This restriction is for the protection of Environment > > Canada?s weather radars operating in this band. > > > > diff --git a/db.txt b/db.txt > > index 809cd3c..da0cfad 100644 > > --- a/db.txt > > +++ b/db.txt > > @@ -216,7 +216,8 @@ country CA: DFS-FCC > > (2402 - 2472 @ 40), (30) > > (5170 - 5250 @ 80), (17), AUTO-BW > > (5250 - 5330 @ 80), (24), DFS, AUTO-BW > > - (5490 - 5730 @ 160), (24), DFS > > + (5490 - 5600 @ 80), (24), DFS > > + (5650 - 5730 @ 40), (24), DFS > > (5735 - 5835 @ 80), (30) > > > > # Source: > > -- > > I believe this could also be interpreted differently. If the change is only about > removing the weather radar band (5600-5650), the change should be > > - (5490 - 5730 @ 160), (24), DFS > + (5490 - 5570 @ 80), (24), DFS > + (5570 - 5590 @ 20), (24), DFS > + (5650 - 5730 @ 80), (24), DFS > > The second rule explicitly states that channel 116 remains available for HT20. If > this level of strict correctness is not needed, rule 1 and 2 combined would be > > - (5490 - 5730 @ 160), (24), DFS > + (5490 - 5590 @ 80), (24), DFS I agree. 5590 is more strict than 5600. > > + (5650 - 5730 @ 80), (24), DFS 5690 MHz is not a channel can be used, is it still necessary to mark this band as 80MHz while in practice it is not possible to fully unitize the entire band? > > > Cheers > Zefir
