This compact 2.4GHz omnidirectional "rubber-duck" WiFi antenna provides broad coverage and 12dBi gain. It is a coaxial sleeve design with an omni-directional pattern. It is 

Nom. Frequency2.4GHz

Nom. Gain12dBi

Nom. PolarizationVertical

Nom. Impedance(Ω)50 Ω

Connector: RP-SMA male Connector

DirectivityOmni-Directional

Temperature (℃)-55℃ ～ +200℃

Standardized: RP-SMA connector with female pin connector

Applications: 4G LTE Wifi Router Mobile Hotspots 2G 3G 4G GSM Wlan Bluetooth HSDPA UMTS DCS AntennE Connector

Packaging Diameter35cm*15cm*2cm

Weight: 70g 

Packing details: 1x Wifi antenna