nick@nick-535U4C:~$ sudo iwconfig
lo no wireless extensions.
wlan0 IEEE 802.11abgn ESSID:"Nickolay"
Mode:Managed Frequency:2.412 GHz Access Point: 84:C9:B2:A1:B8:8A
Bit Rate=48 Mb/s Tx-Power=16 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=46/70 Signal level=-64 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:52 Invalid misc:696 Missed beacon:0
eth0 no wireless extensions.