The program can come in handy if you are using a WLAN and you dont have signal or it is not working properly. NetStumbler is a tool for Windows that allows you to detect Wireless Local Area Networks (WLANs) using 802.11b, 802.11a and 802.11g.
Features:
Verify that your network is set up the way you intended.
Find locations with poor coverage in your WLAN.
Detect other networks
that might be causing interference with your network.
Detect unauthorized "rogue" access points in your workplace.
Help aim directional antennas for long-haul WLAN links.
