We promise the products we sell are quality productsWish you have a pleasant shopping experienceProduct Detail:Features:The newest design， high gain.Light weight and easy to install.In-Car use， Digital DVB-T Digital TV Antenna with Amplifier.Specifications:Frequency: VHF/UHFGain: 20dBVSWR: <1.0:1Impedance: 75 ΩPolarization: Vertical and HorizontalConnector: F plug or CustomizationCable: RG-174 Coaxial CableCable length: 3meterSMA CONNECTOR: BRASSADHESIVE: 3M 467MP/200MPPower Supply: 12VPackage Size: 22 * 8 * 3cm / 8.7 * 3.1 * 1.2inPackage Weight: 62g / 2.2ozPackage List:1 * Antenna