Electrical specifications - Frequency Range: 144/430 MHz; Impedance: 50 ohm; Gain: 5.5/8.5 dBi; Polarization: Vertical; Lighting Protection: Direct Ground; VSWR. This item is in the category "Consumer Electronics\Radio Communication\Antennas\Ham, Amateur Radio Antennas". The seller is "osherosher2460" and is located in this country: US. This item can be shipped to United States.