HD4000 is a new digital stb that allows you to access free-to-air terrestrial digital TV channels and radio signals using your UHF aerial. With SCART / Composite output, you can watch high quality digital TV programs. Stand alone DVB-T TV boxEnjoy high-quality digital TV programsCompatible with ETS 300 744 (DVB-T)Compatible with DVB-T MPEG-2 decoder (DVD quality)Strong signal receptionEasy installation--Plug and PlaySupport EPGSupport Teletext or SubtitleAuto channel scan and name recognitionSupport Composite / SCART OutputFavorite channel editing, Parent control supportFirmware update by USB port (inside)Games and Calendar9-Channel PreviewWide screen 16:9 and normal 4:3 Aspect RatioBandwidth of 6MHz or 7MHz&8MHz Supported Model Name HD4000 Receive Frequency 48.25 863.25 MHz Fully DVB-T Compliant 2K to 8K FFT Size Band Width 6 / 7 / 8 Mhz Viterbi decoding 1/2, 2/3, 3/4, 5/6, 7/8 Interval 1/4, 1/8, 1/16, 1/32 Video Format MPEG-II Main Profile & Main Level Audio Format MPEG-II Audio LayerI / II Power In 12V 1A USB host USB mini