Watch digital TV on your notebook or PC USB 2.0 high-speed data transmission DVB-T protocal (ets 300 744) compliant Multichannel preview Auto-scan and full channel scan and save available channels Create your favorite channel group Mini antenna for clear reception Fully resizable TV window (up to full screen) OSD control panel, convenient and user friendly USB 2.0 bus powered, no external power required Power supply: USB port Frequency range: VHF III (174 to 230MHz) and UHF (470 to 862MHz)