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802.11n influencing 802.11a

 
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chubby_



Joined: 16 Nov 2009
Posts: 2

PostPosted: Thu Sep 16, 2010 12:50 pm    Post subject: 802.11n influencing 802.11a Reply with quote

Hi all,

Two questions,
1) Does 802.11n cause noise on 802.11a links. We want to install a new link and one of the guys has the following comment:

Quote:
"Die mense van die puk gaan jou nie toelaat om 802.11n te gebruik nie, die n gebruik al die channels in die 5GHZ range so jy gaan al die ander highsite benadeel"

and

"hoe dit werk is

as jy 802.11n gebruik, gebruik hy al die freq in daai range(channels op die data te transmit)

so as jy van die NW af uitsaai potchtowers se kant toe gaan jy cross hardloop van al die highsites wat uitsaai van die puk af wat die 5ghz range gebruik, bv urban miederpark Jantrika PCI Central Baillie Park, en nog klomp ander want jy gaan boonop nog distortion by sit by die wat na die anderkant toe uitsaai"


The link will not point in the same direction as the current links, it will mostly be perpendicular to the current 802.11a links.

2) Suggestions for hardware: The distance is less than 3 km, with clear LOS. On the one side only a Ethernet connection will be made to the existing wired network and on the other a bit of broadcasting is planed.

Will a NanoBridge M5 be sufficient or should I rather go with a Rocket Dish? Or should I rather go Microtic from the beginning?

I see PTAWUG is putting up alot of NanoBridges on the highsights. Are they used in addition to the current equipment? We are also looking to add more interconnections at PCN to increase redundancy and speed.

Thanks for you comments and suggestions. Very Happy
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xarion
Site Admin


Joined: 27 Jan 2007
Posts: 201

PostPosted: Sat Oct 23, 2010 8:00 pm    Post subject: Reply with quote

Anything operating on the same frequency range will cause interference. 802.11a is 5.8Ghz, 802.11n could be in the 2.4ghz or 5.8 ghz ranges, thats what you need to check.

NanoBridge is good hardware to use, not as flexible as a routerboard but good nonetheless

Xarion
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chubby_



Joined: 16 Nov 2009
Posts: 2

PostPosted: Mon Oct 25, 2010 8:02 am    Post subject: Reply with quote

Thank you very much for the feedback xarion! Very Happy
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