Features: With compact size、 specially designed circuit produces exceptional reception. Supports receiving both UHF/VHF signals and free Digital signals. Receive free digital and analog signals off air. 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. Note: Please make sure your TV and the antenna connector is matching If use old analog TV、 you must use a Digital Converter Box.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 470-860MHz Gain: 5dB(Max) Impedance: 75 Ohms Polarization: Linear Cable length: Approx. 1.5m / 5.0ft Item dimension: 20.8 * 11.8cm / 8.18 * 4.64in Item weight: 74g / 2.62oz Package size: 27.5 * 18.5 * 4.0cm / 10.82 * 7.28 * 1.57in Package weight: 165g/ 5.83oz Package Included: 1 * Antenna 1 * Multi-surface suction-cup stand1 * English User Manual