Specifications: Gain: 8Dbi Frequency Range: Dual Band Wifi 2.4Ghz 5.8Ghz Vswr: < 2.0; Polarization: Linear Vertical; Impedance: 50 Ohm; Direction: Omni-Directional; Connector: Rp-Sma Male Connector; Dimension: 16Cm X 1.5Cm; Net Weight: 52G; Operating Temperature: -20? ~ +80? Storage Temperature: -30? ~ +85? Package List: 4 X Wifi Antenna