Scan and identify all nearby Wi-Fi networks available on your Mac. Keep track of their signal strength by visualizing it as a graph. Read such details as a network type, the number of channels used, a security type, the RSSI value, vendor, MAC address, and max rate.
inSSIDer allows you to scan the Wi-Fi networks around you and track their signal strength over time. inSSIDer scans all the Wi-Fi networks within the reach of your computer