root@OpenWrt:~# iwconfig 
lo        no wireless extensions.

eth0      no wireless extensions.

eth1      no wireless extensions.

br-lan    no wireless extensions.

wl0       IEEE 802.11-DS  ESSID:"bsod-g"  
          Mode:Master  Frequency:2.437 GHz  Access Point: 00:0C:41:14:E0:8F   
          Tx-Power:19 dBm   
          RTS thr:2347 B   Fragment thr:2346 B   
          Encryption key:off
          Link Noise level:-96 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:1  Invalid misc:0   Missed beacon:0

wifi0     no wireless extensions.

ath0      IEEE 802.11a  ESSID:"bsod-a"  
          Mode:Master  Frequency:5.805 GHz  Access Point: 00:0C:41:0B:B0:76   
          Bit Rate:0 kb/s   Tx-Power:0 dBm   Sensitivity=1/1  
          Retry:off   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality:0  Signal level:0  Noise level:0
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0