ubuntu-phone team mailing list archive

[Sayantan Das <sayantan13@xxxxxxxxx>]

Again, my question would be, why in Ubuntu Touch and not in the desktop
version.? And in Android its legal ? I somehow don't understand the concept.

The second question is, will *iw reg* be added as an option in GUI mode?



Regards,

*Sayantan Das*

----------------------------------
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On 1 September 2013 17:36, Michał Łazowik <mlazowik@xxxxxx> wrote:

> Hi,
>
> Wiadomość napisana przez Sayantan Das <sayantan13@xxxxxxxxx> w dniu 1 wrz
> 2013, o godz. 11:39:
>
> > Hi all,
> >
> > Was wondering why channel13 is not available for ubuntu touch. It doesnt
> scan any wifi network on channel 13.
> >
> > root@ubuntu-phablet:/# iwconfig wlan0 channel 13
> > Error for wireless request "Set Frequency" (8B04) :
> >     SET failed on device wlan0 ; Invalid argument.
> >
> > I have tested two routers- the phone is unable to pick signal from
> either of them. If I change the channel to any other than 13, it connects.
> I am testing using Nexus 4.
>
> That's most probably related to region-related (legal) wifi restrictions.
> They include both the maximum
> power of signal _and_ allowed channels. Wikipedia [0] says that for North
> America channel 13 is not
> allowed.
>
> To accomodate legal needs of different regions without creating region
> specific hardware, the limiting
> is done through software. The general way to change that in linux is by
> using iw reg [1], though
> in ubuntu it might be also related to some localization settings. Either
> way iw reg set should
> get you going.
>
> Michał
>
> [0]
> https://en.wikipedia.org/wiki/List_of_WLAN_channels#Interference_Concerns
> [1]
> http://wireless.kernel.org/en/users/Documentation/iw#Updating_your_regulatory_domain
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