Ping-Ke Shih <pkshih@xxxxxxxxxxx> wrote: > Avalon Vargas Centeno <avalon.vargas.centeno@xxxxxxxxxxxxx> wrote: > > I am reporting an issue with the wireless regulatory domain for Costa Rica (CR) > > in the wireless - regdb. The current rules appear to be overly restrictive, > > causing significant performance degradation on modern Wi-Fi 6 hardware and > > devices using the 5Ghz band. > > > > The issue: > > When the regulatory domain is set to my country (CR), my Wi-Fi throughput > > is capped at approximately 100 Mbps. When I manually set the domain to US > > or other countries, I achieve my connection's full speed of ~600 Mbps. > > The information obtained from the command: iw reg get, displays how the > > 5Ghz bands are getting bottlenecked by their max bandwidth of 20Mhz while > > apparently wifi 7 6Ghz has been updated. > > > > Hardware info: > > ‧Device: Linux desktop running Fedora 42, also tested on the latest public > > stable(non lts )kernel using Arch linux > > ‧Wi-Fi Adapter: TP-Link Archer T2OE (Realtek RTL8852AE) > > ‧Kernel version: 6.15.9-201.fc42.x86_64 > > > > Attachments: > > Below I attached appropriate screenshots showcasing the difference in the > > interface information between regulatory domains. > > > > By [1], 40 and 80MHz channels are not allowed on 5GHz for CR, but there is > no reference to know if the limitation is removed now. > > Not sure if Jouni (Cc'd) can remember this. > > [1] https://lore.kernel.org/wireless-regdb/1422013872-9732-1-git-send-email-jouni@xxxxxxxxxxxxxxxx/ > As Avalon got comments from SUTEL (as attachment), I also found a public link [1]. Then I'll prepare a patch for changes of bandwidth and etc accordingly. [1] https://pgrweb.go.cr/scij/Busqueda/Normativa/Normas/nrm_texto_completo.aspx?param1=NRTC&nValor1=1&nValor2=99551&nValor3=144158&strTipM=TC
Attachment:
07823-SUTEL-DGC-2025 Atención consulta BW uso libre.pdf
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