lo        no wireless extensions.

eth0      no wireless extensions.

ra0       RT2860 Wireless  ESSID:"RedeA4"  Nickname:"RT2860STA"
          Mode:Managed  Frequency=2.412 GHz  Access Point: 00:1C:B3:AE:44:89   
          Bit Rate=54 Mb/s   
          RTS thr:off   Fragment thr:off
          Link Quality=100/100  Signal level:-39 dBm  Noise level:-81 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0