The Targus WiFi Scanner makes it easy to find and connect to hot spots on the road. Lightweight and portable the ACW20US can conveniently be carried on a keychain or attached to your notebook case for easy access. Simple to operate, just push one button to activate, it will detect WiFi (802.11b/g) access points, identify the signal strength and display it on easy to read LCD. With the ability to identify each access point efficiently, you can see what is available before you turn on your notebook computer.