Easy to scan for Wireless Networks directly from your Mac OSX Terminal.
1. Launch the Terminal and type the following command (you have to do this once):
sudo ln -s /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport /usr/local/bin/airport
2. Enter your Mac OSX Password
Now, to scan for and find all wireless networks within range, type the following:
The list returned will show all available wifi networks and their router name (SSID), the router address (BSSID), signal strength (RSSI), channel, and security types used by the network.
for Europe Customers
for US & Canada Customers