lo        no wireless extensions.

eth0      no wireless extensions.

wmaster0  no wireless extensions.

pan0      no wireless extensions.

wlan0     IEEE 802.11abgn  ESSID:"YBZ_NET"  
          Mode:Managed  Frequency:2.437 GHz  Access Point: 00:1B:9E:72:7B:9C   
          Bit Rate=54 Mb/s   Tx-Power=14 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:1A5A-A841-8F40-EC0C-800E-033B-3AAC-109D [2]
          Power Management:off
          Link Quality=70/70  Signal level=-33 dBm  Noise level=-94 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0