[Battlemesh] FCC Contacts about Wifi Regulations
linus.luessing at c0d3.blue
Sat Aug 6 05:07:26 CEST 2016
On Sat, Aug 06, 2016 at 05:15:02AM +0300, Jonathan Morton wrote:
> > On 6 Aug, 2016, at 05:10, David Lang <david at lang.hm> wrote:
> > yes this means you don't get channels 12 and 13 in Japan, but in practice, channel 11 and 13 are too close together so having 12 and 13 available really doesn't give you a fourth usable channel.
> A little confusion here:
> 1-11 available worldwide; preferred channels 1, 5, 11 which very slightly overlap.
> 1-13 available EU; preferred channels 1, 6, 13 which *don’t* overlap, so less mutual interference.
> 1-14 available Japan; 14 is far enough away from 13 to be independent, so you *do* get four in Japan.
Now I'm confused.
Wasn't the channel width slightly smaller with 802.11g/n compared to 802.11b,
therefore actually granting a forth non-overlapping channel with 802.11g/n
with channels 1-13?
Or is this graphic on Wikipedia misleading?
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