WiFi Antenna 18dBi YAGI + ALFA N Super Long Range Booster Pick Up Hot Spots From Far Away Pick up WiFi hot spots from far away using Alfa N Network card Includes: 18dBi Long Range Directional Yagi Antenna, 15 feet cable, and Alfa Long Range AWUS036NH 2000mW B/G/N Network adapter Will work on any computer with USB 2.0 (Windows/Mac/Linux). Best when mounted outdoors like roof of the house. Comes with brackets for poll mount.