strength using its five LED lights. The hassle of powering up your laptop in search for local wireless "hot-spots" is now a thing of the past. The HWL1 is also equipped with a flip-open Hi-Gain Directional Antenna that helps you determine exactly where the "hot-spot" source is coming from. Simply point the Directional Antenna towards the source and press the "Locate" button. The signal filters on the HWL1, filter through all unwanted 2.4GHz signals, such as BlueTooth, cordless phones and microwaves, providing a reliable and accurate reading each and every time.  (less)