This aerial is fully optimized for perfect reception of full hd digital tv and dab radio filter plus enhanced filter including gsm block filter for crystal clear reception it has a wide angle patch technology increases reception capability and eliminates unwanted signals adjustable digital amplifier up to 47db for optimal signal reception amplifier up to 47 db vhfuhf and fm channels size 280x138mmx48mm 15 meter gold plated coaxial cable included power