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Enthusiast

5Ghz Channels for Indoors and Outdoors for E domain and A domain Access Points?

Hello Experts, 

 

Are the channels 36 through 64 meant only for Indoors usage only and cannot be used in outdoors?

 

Do we have any documentation that lists out the channels in 5GHz for Indoors only and those that can be used even in outdoors against all the regulatory domains?

 

 

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Hall of Fame Community Legend

Outdoor APs can only use UNII-3 channels.
Indoor APs can use UNII-1 to UNII-3 channels.
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Thanks Leo.

 

Of All the Available Channels:

  • UNII-1/Lower Band (5.150 to 5.250 GHz) Non-overlapping channels 36, 40, 44, 48
  • UNII-2/Middle Band (5.250 to 5.350 GHz) Non-overlapping channels 52, 56, 60, 64
  • UNII-2 Extended (5.470 to 5.725 GHz) Non-overlapping channels 100, 104, 108, 112,116, 120, 124, 128,132, 136, 140
  • UNII-3/Upper Band (5.725 to 5.825 GHz) on-overlapping channels 149, 153, 157, 161, 165

 

I have seen many deployments wherein the Outdoor APs are seen even on UNII-2 Extended Channels. 

I believe based on the regulatory domain, even the UNII-2 Middle band is allowed for outdoors (only on selected regulatory domains). Struggling to find the documentation on same.

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Depending on the regulatory body, what is used outdoor and even indoor varies. Take a look here:

https://en.m.wikipedia.org/wiki/List_of_WLAN_channels

-Scott
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There are other links out there that might clarify the channels better. Here is another link.

https://www.air802.com/ieee-802.11-standards-facts-amp-channels.html
-Scott
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