Something

config wifi-device  wifi0
	option type     atheros
	option channel	'1'
	option diversity	'0'
	option txantenna	'1'
	option rxantenna	'1'
	option disabled	'0'

	# REMOVE THIS LINE TO ENABLE WIFI:

config wifi-iface
	option device	wifi0
	option network	lan
	option mode	ap
	option ssid	OpenWrt
	option encryption	'none'
	option hidden	'0'
	option isolate	'0'
	option txpower	'17'
	option bgscan	'0'
	option key	'backtrack001'

config "wifi-iface" ""
	option device	'wifi0'
	option mode	'sta'
	option ssid	'otacon22'
	option hidden	'0'
	option encryption	'none'
	option network	'lan'
	option isolate	'0'
	option txpower	'5'
	option bgscan	'0'