[For more information, see http://blog.csdn.net/qianguozheng/article/details/24412673].
Configure Wireless
VI/etc/config/wireless
Config WiFi-device wlan0
Option type mac80211
Option Channel 5
# Remove this line to enable WiFi:
# Delete or comment out option disabled 1 to enable wireless connection.
# Option disabled 1
Config WiFi-iface
Option device wlan0
Option Network LAN
# Working Mode
Option mode AP
# SSID
Option SSID openwrt
# No SSID Broadcast
Option hidden 1
# Encryption Method
# No encryption
Option encryption none
# WEP Encryption
# Option encryption WEP
# Option key 1
# Option key1 xxxxxxxxxx (Key, wep64 is a 10-bit hexadecimal number, and wep128 is a 26-bit hexadecimal number)
# WPA Encryption
# Option encryption PSK
# Option key XXXXXXXX (key)
After configuration, the restart takes effect.
WiFi reload
Iwpriv ra0 set channel = 3
Http://blog.chinaunix.net/uid-24517893-id-373053.html
[For more information, see http://blog.csdn.net/qianguozheng/article/details/24412673].