Gain(dB) : 3dbiCertification : NONEThis compact omnidirectional 2.4GHz WiFi antenna provides wide coverage and 3dBi gain. It is suitable as a replacement RF antenna for many access points and radios that are equipped with SMA connectors, including D-Link, Linksys, and others.Specs:Frequency range: 2400-2500MHz.Gain: 3dBi.Frequency Bandwidth: 100MHz.Colour: black.VSWR:≤1.5Impedance: 50Ω.Power capacity: 50W.Polarization: Vertical.Antenna height: 27mmLightning protection: DC ground connection.Operating Temperature: -40~+60℃.Storage temperature: -20 ~ 40℃.Package includes:1 piece optional/Straight head or elbow optional