eric@Eric:~$ iwconfig
wlp1s0 IEEE 802.11 ESSID:"Chao"
Mode:Managed Frequency:2.412 GHz Access Point: B4:75:0E:AF:F2:F8
Bit Rate=24 Mb/s Tx-Power=22 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=40/70 Signal level=-70 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:8 Invalid misc:924 Missed beacon:0
lo no wireless extensions.
