21dBi Directional Patch Antenna, 4940-4990 MHz, NF Connector, 9 Degree Vert/Horizontal, This high performance directional flat patch antenna suitable for indoor and outdoor applications in the 4940 – 4990 MHz Frequency band. Typical applications include IEEE 802.16e, WiMAX and Mobile WiMAX applications. This flat patch antenna is lightweight and features a UV-stable, UL flame rated white plastic radome which can also be painted to match the room or building structure. The 4.9 GHz antenna can be installed for horizontal or vertical polarization. It can be wall or ceiling mounted, as well as mast-mounted using U-bolts.