[root@linux-desktop]# iwconfig
lo        no wireless extensions.
eth0      no wireless extensions.
eth1      no wireless extensions.

wlan0     IEEE 802.11bgn  Mode:Master  Frequency:2.412 GHz  Tx-Power=8 dBm
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:on

mon.wlan0  IEEE 802.11bgn  Mode:Monitor  Tx-Power=8 dBm
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off