Buffalo  Airstation 14dBi High Gain Outdoor Directional Antenna WLE-HG-DYG 14 dBi Yagi Directional Antenna Frequency range of 2,401-2,484MHz (Channels 1-11) Applications are for 1:1 communication or 1:N communication Approximately 1.9mile range (3km) of each device Outdoor Directional Antenna is connected to 2 Year Warranty