Re: So, which IEEE-Frequency mappings should we be all using?

2013-07-24 Thread Johann Hugo
Which vendors are you talking about. Are you planing to add support for any of 
them.

We have a UHF wifi pilot project and was thinking of doing a frequency down 
convert to UHF.

Johann

On Monday 22 July 2013 10:35:27 Adrian Chadd wrote:
 Well, the UHF stuff is available now and vendors are making cards for
 them. I'm happy just mapping them to 2.4GHz channels for now but it
 severely restricts the channels (ie, spacing/width) we can use in that
 range.
 
 
 
 adrian
 
 On 22 July 2013 07:40, Johannes Berg johan...@sipsolutions.net wrote:
  On Wed, 2013-07-17 at 10:42 -0700, Adrian Chadd wrote:
 
  * 420MHz
  * 700MHz
  * 900MHz (which we already have, due to history);
  * 3.6GHz
  * 4.9GHz
 
  3.6 should have been defined in the spec recently, 4.9 surely is defined
  already (though the whole stack will have to support the
  dot11ChannelStartingFactor)
 
  The others are kinda non-standard extensions, and you probably won't
  even be able to properly support them since they're kinda
  pretend-handled like 2.4 GHz.
 
  johannes
 
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Re: So, which IEEE-Frequency mappings should we be all using?

2013-07-24 Thread Adrian Chadd
Hi,

Specifically - Xagyl Communications modules for their UHF designs.

The 420MHz cards work fine in FreeBSD, they just show up as 2GHz NICs.


-adrian


On 24 July 2013 00:17, Johann Hugo jh...@meraka.csir.co.za wrote:
 Which vendors are you talking about. Are you planing to add support for any
 of them.



 We have a UHF wifi pilot project and was thinking of doing a frequency down
 convert to UHF.



 Johann



 On Monday 22 July 2013 10:35:27 Adrian Chadd wrote:

 Well, the UHF stuff is available now and vendors are making cards for

 them. I'm happy just mapping them to 2.4GHz channels for now but it

 severely restricts the channels (ie, spacing/width) we can use in that

 range.







 adrian



 On 22 July 2013 07:40, Johannes Berg johan...@sipsolutions.net wrote:

  On Wed, 2013-07-17 at 10:42 -0700, Adrian Chadd wrote:

 

  * 420MHz

  * 700MHz

  * 900MHz (which we already have, due to history);

  * 3.6GHz

  * 4.9GHz

 

  3.6 should have been defined in the spec recently, 4.9 surely is defined

  already (though the whole stack will have to support the

  dot11ChannelStartingFactor)

 

  The others are kinda non-standard extensions, and you probably won't

  even be able to properly support them since they're kinda

  pretend-handled like 2.4 GHz.

 

  johannes

 

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Re: So, which IEEE-Frequency mappings should we be all using?

2013-07-22 Thread Johannes Berg
On Wed, 2013-07-17 at 10:42 -0700, Adrian Chadd wrote:

 * 420MHz
 * 700MHz
 * 900MHz (which we already have, due to history);
 * 3.6GHz
 * 4.9GHz

3.6 should have been defined in the spec recently, 4.9 surely is defined
already (though the whole stack will have to support the
dot11ChannelStartingFactor)

The others are kinda non-standard extensions, and you probably won't
even be able to properly support them since they're kinda
pretend-handled like 2.4 GHz.

johannes

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Re: So, which IEEE-Frequency mappings should we be all using?

2013-07-22 Thread Adrian Chadd
Well, the UHF stuff is available now and vendors are making cards for
them. I'm happy just mapping them to 2.4GHz channels for now but it
severely restricts the channels (ie, spacing/width) we can use in that
range.



adrian

On 22 July 2013 07:40, Johannes Berg johan...@sipsolutions.net wrote:
 On Wed, 2013-07-17 at 10:42 -0700, Adrian Chadd wrote:

 * 420MHz
 * 700MHz
 * 900MHz (which we already have, due to history);
 * 3.6GHz
 * 4.9GHz

 3.6 should have been defined in the spec recently, 4.9 surely is defined
 already (though the whole stack will have to support the
 dot11ChannelStartingFactor)

 The others are kinda non-standard extensions, and you probably won't
 even be able to properly support them since they're kinda
 pretend-handled like 2.4 GHz.

 johannes

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