Material: Fiberglass Material of Radiator: Copper Connector Type: N-male Colour Grey Antenna Height: 26cm Antenna Diameter:2cm Frequency: 868MHz for 915MHz Max Gain: 3dBi(Actual test data) Radiation type: Omnidirectional Polarization: Vertical Nominal Impedance: 50 Ohm Max Input Power: 50W S.W.R.: 2.0