lo        no wireless extensions.

eth0      no wireless extensions.

irda0     no wireless extensions.

wmaster0  no wireless extensions.

wlan0     IEEE 802.11abg  ESSID:"r2d2_net"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 00:13:D4:3F:DE:7D   
          Bit Rate=48 Mb/s   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:3B5D-3C7D-207E-37DC-EEED-D301-E3 [2]
          Power Management:off
          Link Quality=57/70  Signal level=-53 dBm  Noise level=-90 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0