root@debian:/home/mari# iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

pan0      no wireless extensions.

wlan2     IEEE 802.11bg  ESSID:"ESPEJO"
          Mode:Managed  Frequency:2.422 GHz  Access Point: 00:1A:2B:05:3E:99
          Bit Rate=54 Mb/s   Tx-Power=17 dBm
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:on
          Link Quality=64/70  Signal level=-46 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

wlan1     IEEE 802.11bgn  ESSID:off/any
          Mode:Managed  Access Point: Not-Associated   Tx-Power=5 dBm
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:on

wlan0     IEEE 802.11bgn  ESSID:off/any
          Mode:Managed  Access Point: Not-Associated   Tx-Power=13 dBm
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:on