This antenna supports both UHF/VHF signals and will work great with Digital TV sets， Digital Converter Boxes， and so on.Features:Receive free digital and analog signals off air.Supports both UHF/VHF signals.Compatible with HD/DTC Receiver， PC， Notebook， DTV/HDTV.Supports 1080i 1080p 720p.Ultra thin and lightweight.Multi-surface suction-cup stand.No external power required.Suitable for United States area.Attention:May require digital converter box when connected to TV.May require TV turner card when connected to desktop computer.May require USB adapter when connected to notebook computer.Specifications:Frequency range: VHF 170-230MHz，UHF 470-860MHzGain: 5dB(Max)Impedance: 75 OhmsPolarization: Linear Cable length: Approx. 137cm/ 4.49ftItem dimension: 21 * 11.7cm/ 8.3 * 4.6inItem weight: 80g/ 2.8ozPackage size: 27 * 18.1 * 3.8cm/ 10.6 * 7.1 * 1.5inPackage weight: 173g/ 6.1ozNote:Please make sure your TV and the antenna connector is matchingPackage Included: 1 * Antenna1 * Stand1 * Manual