D-Link ANT70-1400N Triple Polarization Dual-Band Directional Antenna is an outdoor antenna for connecting 2.4 or 5GHZ wireless LAN over long distances and connection with high-speed 11n. It has three antenna connectors for transmitting three spatial streams.The ANT70-1400N is ideal for operating in modes such as point-to-point WDS and others that require a high gain directional antenna. An example application of this antenna is to extend your local area network (LAN) by connecting LANs at two remote locations. Alternatively, Wireless Internet Service Provider (WISP) subscribers can also use this antenna to establish a b connection between their host and to their ISP's outdoor AP.