4 x 9dBi RP-SMA WiFi Dual Band Antenne per Asus RT-N66U RT-AC66U AC1750 D-link
Gain: 9dBi. 4x 9dbi Antenna. Also works with all USB and PCI WiFi adapters with RP SMA connectors. Direction: Omni – directional (360° Horizontal / 15~20° Vertical). Impedance: 50 Ohms Nominal.