The $75 Wi-Fi Detective from StarTec is able to detect Wi-Fi networks and display information such as the signal strength, SSID, the type of network (b or g), whether it’s an infrastructure or adhoc mode, the channel and how many access points are being picked up.

The USB connection on the Wi-Fi Detective is compliant with both USB 1.1 and 2.0, and when connected to your computer will act as a wireless LAN adapter at 54Mbps making your PC a WLAN access point. It also houses a built-in rechargeable battery which will charge up whenever it’s plugged into a USB port.
Full Story...
---