FYI: there is a bug in OpenWrt 22.03.5 stable release of m7921E driver. Channel mapping is wrong and choosing any of DFS channels (52-144) will activate 6GHz instead of 5GHz. So only 36-48 and 149-165 are usable in 5GHz band.
FYI: there is a bug in OpenWrt 22.03.5 stable release of m7921E driver. Channel mapping is wrong and choosing any of DFS channels (52-144) will activate 6GHz instead of 5GHz. So only 36-48 and 149-165 are usable in 5GHz band.