Post date: Aug 30, 2016 6:58:20 PM
# opkg update
# opkg install kmod-brcm-wl wl wlc
# rm /etc/config/wireless
# opkg install nas
# reboot
From http://blog.tklee.org/2014/11/use-80211n-on-asus-rt-n16-with-openwrt.html