<p>This compact 5.8GHz directional WiFi antenna provides broad coverage and 5dBi gain. It is a coaxial sleeve design with an omni-directional pattern. It is ideally suited for IEEE 802.11a wireless LANs. This antenna features a reverse-polarity N connector, the N connector is solid and not flexible. It is suitable as a replacement RF antenna for many access points and radios that are equipped with reverse-polarity N connectors. For wireless router and WLAN PCI card. Diameter: 13.06mm, Length: 182mm, 802.11a. Connector: RP-N Plug. WiFi antenna. Frequency Range: 5.8GHz, Impedance: 50 ohm, Lighting Protection: DC Ground, V.S.W.R.: <1.5, Directionality: omnidirectional, Gain: 5DBi, Height: 182mm, Polarization: Vertical.</p>