iwconfig
lo        no wireless extensions.

wlan0     IEEE 802.11abgn  ESSID:"uniform"  
          Mode:Managed  Frequency:2.437 GHz  Access Point: 54:E4:3A:E8:C4:1C   
          Bit Rate=13 Mb/s   Tx-Power=15 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=70/70  Signal level=-25 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:744  Invalid misc:1211   Missed beacon:0

eth0      no wireless extensions.