root@Moxa:/etc/init.d# wpa_cli -i wlan0 scan
OK
root@Moxa:/etc/init.d# wpa_cli -i wlan0 scan_results
bssid / frequency / signal level / flags / ssid
1a:00:4d:b0:f8:9c 2437 -42 [WPA2-PSK-CCMP][ESS] Matrix Two
4a:a4:72:1c:91:20 2437 -45 [WPA2-PSK-CCMP][WPS][ESS][P2P] DIRECT-QVN014600001990msCD