cris@cris-Compaq-CQ58-Notebook-PC:~$ for n in /sys/class/rfkill/*/*; do [ -f $n ] && echo $n = $(cat $n); done
/sys/class/rfkill/rfkill2/claim = 0
/sys/class/rfkill/rfkill2/hard = 1
/sys/class/rfkill/rfkill2/index = 2
/sys/class/rfkill/rfkill2/name = phy0
/sys/class/rfkill/rfkill2/persistent = 0
/sys/class/rfkill/rfkill2/soft = 0
/sys/class/rfkill/rfkill2/state = 2
/sys/class/rfkill/rfkill2/type = wlan
/sys/class/rfkill/rfkill2/uevent = RFKILL_NAME=phy0 RFKILL_TYPE=wlan RFKILL_STATE=2
cris@cris-Compaq-CQ58-Notebook-PC:~$ rfkill list
2: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: yes