lo        no wireless extensions.

eth0      no wireless extensions.

wmaster0  no wireless extensions.

vboxnet0  no wireless extensions.

pan0      no wireless extensions.

wlan0     IEEE 802.11bg  ESSID:"TechMaster Telecom"  
          Mode:Managed  Frequency:2.462 GHz  Access Point: 00:1A:70:7E:9B:57   
          Bit Rate=48 Mb/s   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:726D-1D19-3A48-F8F8-2140-EE3F-A8E9-369E [3]
          Power Management:off
          Link Quality=43/70  Signal level=-67 dBm  Noise level=-101 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0