iwconfig

lo        no wireless extensions.

eth0      no wireless extensions.

eth1      no wireless extensions.

wifi0     no wireless extensions.

ath0      IEEE 802.11na  ESSID:"Intertelecom_a"  Nickname:""
          Mode:Managed  Frequency:5.255 GHz  Access Point: Not-Associated
          Bit Rate:6 Mb/s   Tx-Power=25 dBm   Sensitivity:0/0
          Retry:off   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=0/94  Signal level=-96 dBm  Noise level=-96 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

ath0.4000  no wireless extensions.

ath0.3300  no wireless extensions.