CX0035B Compact design USB interface Automatic scanning 6/7 and 8 MHz band channel Antenna automatic real-time updating technology TV Tuner: 48.25～863.25MHZ Fully compatible with DVB-T TV WBFM: 6MHZ， 7MHZ， 8MHz Hardware I/O:-75 ohms High Definition TV: -480I， 480P， 720P， 1080I System Requirements: Windows XP/7/Vista 32 or 64BIT Powered by USB， no external power adaptor required