By default, the popup button will select the primary WLAN interface for the system. The popup button on the top left corner of the app allows the user to select which interface should be set as the current interface. The app supports a multiple interface scenario, whereby the machine could have several IEEE 802.11 wireless interfaces.
WiFi Scanner v1.0 has the two main screens shown below. The tool reports signal strength in dBm and shows access point BSSID/MAC addresses. It can be used for wireless site surveys, wireless discovery, and to connect to wifi networks. This will detect access points and clients in ad-hoc mode if the SSID is being broadcasted. WiFi Scanner is a free 802.11 wireless scanner and connection manager for Mac OS X 10.6 Snow Leopard or later. Download WiFi Scanner for Mac OS Free Mac OS X Wifi Scanner for Snow Leopard and Lion
