Scan Wifi from Terminal

There is a command line tool that allows you to work with the wireless connection on your Mac. The tool is very useful but by default hidden and not well documented.

airport

networksetup

Turn on/off and join

Let`s start a wifi scan and get some information

Note: If do not specify the interface, airport will use the first wifi interface on the system.

Easy way

Sniff

The captured packets you will find as “/tmp/airportSniffXXXXXX.cap”.