The Mobile Mark PSKN3-2400S 2.4 – 2.485 GHz device halfwave antenna, Wi-Fi, and WiMAX with SMA Male connector. This 1/2 wave antenna requires no ground plane for operation. This makes it ideal for use with portable devices or products with no substantial ground plane. The antenna uses a full-length dipole configuration. A knuckle feature allows the antenna to be adjusted between a straight position, to a 90 deg. position. The radome is made of flexible polyurethane.