WIFI ANTENNAElectricalspecification Frequency range 1700 2170MHz Gain 2.0 dBi VSWR 2.0:1 max Impedance 50Ω Polarization Vertical Connector SMA Male antennaMechanical specification : Color Blue Height 200mm Weight 35g Radome Material Plastic This antenna is one of the best sell productslast year. This terminal antenna is very easy to install and use. bluetooth antenna Rubber Terminal Antenna