It is small, light and portable. Users need to attach the Velcro base (supplied with the directional antenna package) to the laptop and connect it to the AirMagnet card and start analyzing the wireless environment in the specific area. Technical Specifications for the AirMagnet Directional Antenna (Flag Yagi) Min Nom Max Frequency Range • 2.4 GHz Band 2.4 GHz 2.5 GHz • 5 GHz Band 4.9 GHz 5.9 GHz VSWR 1:1.5 Impedance 50 fi Gain 5 dBi Polarization Linear Front-to-Back Rati