Wifi adapter connects to 5G network without channel and i...

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Wild Tom · 2026-06-25 · via Arch Linux Forums

Pages: 1

#1 Today 21:57:45

Wild Tom: Member; Registered: 2025-12-29; Posts: 3

Wifi adapter connects to 5G network without channel and is unstable

Hi, I am running a RTL8852BE wifi adapter on my system and when connecting to a 5G network it will go to 5.765 GHz (channel 153 according to my router), however my adapter claims to only support up to 149. When I connect to the network I will sometimes get kicked off and NetworkManager will continuously ask me for the network password. Is this a driver or hardware problem or is this normal believer?

Also the highest channel that both my router and my adapter support is 48 if that matters.

Thanks,
Wild Tom

#2 Today 22:29:25

seth: Member; From: Won't reply 2 private help req; Registered: 2012-09-03; Posts: 76,276

Re: Wifi adapter connects to 5G network without channel and is unstable

149 & 153 are the same 40MHz channel and are actually legal in most areas, https://en.wikipedia.org/wiki/List_of_W … /ax/be/bn)

Also the highest channel that both my router and my adapter support is 48

Unlikely. Please don't paraphrase, https://bbs.archlinux.org/viewtopic.php?id=57855
Please post your complete system journal for the after some disconnect:

sudo journalctl -b > /tmp/journal.txt

and upload journal.txt somehow (in doubt see the 1st link below)

Fwwi, this has absolutely nothing to to w/ "5G", https://en.wikipedia.org/wiki/5G

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#1 Today 21:57:45

Wifi adapter connects to 5G network without channel and is unstable

#2 Today 22:29:25

Re: Wifi adapter connects to 5G network without channel and is unstable