Model No. YUE-CZ-507Frequency: 144MHz And 433MHzBandwidth: 6MHz(144MHz) , 10MHz(433MHz)Gain: 2.5dBi , 5.2dBiVSWR: <1.5Input Power: 50WLength: 73 cmPolarization: VerticalRadiation: OmniConnector: PL-259Whip Material: Stainless Steel