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Forum Discussion
Retired_Member
Sep 03, 2021DFS channels for ORBI RBR20
This KB seems to indicate that my RBR20 should support DFS channels in the FCC regulatory domain. https://kb.netgear.com/000060378/Which-Dynamic-Frequency-Selection-channels-does-my-NETGEAR-devic...
plemans
Sep 03, 2021Guru - Experienced User
it uses them for the backhaul
- Retired_MemberSep 03, 2021
Interesting. My Wi-Fi Analyzer app isn't showing them beaconing on the DFS channels so it must be using those frequencies with some protocol other than 802.11 a/n/ac...
Thanks for the reply
- plemansSep 03, 2021Guru - Experienced UserIt could be your in a region that has active dfs broadcasts.
- CrimpOnSep 03, 2021Guru - Experienced User
The channels used are described on page 159 of the user manual:
https://www.downloads.netgear.com/files/GDC/RBK50/Orbi_UM_EN.pdf
US: 5.18 - 5.74 GHz (front haul) and 5.745 - 5.875 (backkhaul)
Europe & Japan: 5.18 - 5.24 and 5.5 - 5.7
Translated to channel numbers this is:
US: 36 - 48 and 149 - 175 (backhaul)
Europe & Japan: 36 - 48 and 100 - 140 (backhaul)
There is a note on page 159 about another frequency band becomming available with future firmware (whatever that means).
- Retired_MemberSep 03, 2021
Ah, it looks like they avoided the DFS channels for the US models. From that reference:
5.18 GHz–5.24 GHz and 5.745 GHz–5.825 GHz (US)
Neither of these two bands requre DFS in the US/FCC
I was looking for support in these bands:
(5250 - 5350 @ 80), (23), DFS, AUTO-BW (5470 - 5730 @ 160), (23), DFS These are channels 52-144. The original kb.netgear document I referenced indicated that these DFS channels were supported
Orbi Router / Orbi Satellite
(Models: RBR20, RBS20)52,56,60,64,100,104,108,112,
116,120,124,128,132,136,14054,62,102,110,118,126,134
58,106,122
42+58,42+106,42+122,
58+106,58+122,106+122NA
,
Although I note that in user guide you referenced they are not.