lo        no wireless extensions.

eth0      no wireless extensions.

pan0      no wireless extensions.

wlan0     IEEE 802.11bg  ESSID:"CrapouillouNetwork"  
          Mode:Ad-Hoc  Frequency:2.412 GHz  Cell: CA:29:EB:AA:99:1E   
          Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:on