WirelessNetView is a small utility that runs in the background, and monitor the activity of wireless networks around you. For each detected network, it displays the following information: SSID, Last Signal Quality, Average Signal Quality, Detection Counter, Authentication Algorithm, Cipher Algorithm, and more.
System Requirements:
Wireless network adapter.
Windows Vista or Windows XP/SP2 with KB918997 update installed. Be aware that under Windows XP with SP2, WirelessNetView wont work at all without installing this update. To download this update, click here.