The reghack utility replaces the regulatory domain rules in the driver binaries with less restrictive ones. The current version also lifts the 5GHz radar channel restrictions in ath9k. This version is made for current OpenWrt trunk. To patch older release like 12.09, use http://luci.subsignal.org/~jow/reghack/old/ . How to use: ssh root@openwrt On ar71xx: cd /tmp/ wget http://luci.subsignal.org/~jow/reghack/reghack.mips.elf chmod +x reghack.mips.elf ./reghack.mips.elf /lib/modules/*/ath.ko ./reghack.mips.elf /lib/modules/*/cfg80211.ko reboot On mpc85xx: cd /tmp/ wget http://luci.subsignal.org/~jow/reghack/reghack.ppc.elf chmod +x reghack.ppc.elf ./reghack.ppc.elf /lib/modules/*/ath.ko ./reghack.ppc.elf /lib/modules/*/cfg80211.ko reboot