ekahau wifi map
VIA : dailywireless.org » Ekahau HeatMapper
Ekahau HeatMapper is a free software tool for quick and easy coverage mapping of Wi-Fi (802.11) networks. Ekahau says it’s the only free, easy-to-use tool that shows, on a map, the wireless network coverage in your home or small office. HeatMapper locates all access points and provides a real-time view.
An 50MB.
do not work on VISTA x64!!! so I cant use this.