Capable of receiving all your favorite channels in 4k ultra hd whether it is television dvb tt2 or radio dab the unique automatic gain control ensures optimal gain at all times plug it in and start watching immediatelyminimal interference thanks to the active noise reduction filters including 4g amp gsm block filter for crystal clear reception automatic gain control 4k ultra hd compatible with dvb tt2 programmes broadcast in 4k 4g lte filter