ra0       RT2500 Wireless  ESSID:"poulette"  
          Mode:Managed  Frequency=2.422 GHz  Bit Rate:11 Mb/s   Tx-Power:0 dBm   
          RTS thr:off   Fragment thr:off
          Encryption key:off
          Link Quality=0/100  Signal level=-120 dBm  Noise level:-192 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0