ITEM NAME:High Definition Digital TV Amplified Antenna HD TV 25dB VHF/UHF50 SBL.LNA Gain : 25dB. Working Frequency : VHF(172-240Mhz) UHF(470-860Mhz). Easy To Install & Set Up: Easy to place high on a window or wall or flat on a table or behind the TV for great reception to watch crystal clear HD shows!