The time has long come where 802.11b DSSS/CCK data rates should be disabled By default in OpenWRT. Users in need of 802.11b client support can reasonably enable these where they are needed.
НЕ ВЫРЕЗАЛИ, а откл по умолчанию. Полно же железек старых, к-ые умеют в опенврт, но не умеют 802.11N