This HD TV UHF wideband amplifier (Ultra High Frequency amplifier ) has a total gain of 10 to 15 dB in the 400 850 MHz domain frequency so it can be used where the tv signal is weak. For this UHF antenna tv amplifier to work correctly you need to cut the components pins as short as possible. C1, C2, C6, C7 are SMD type ( surface mounted ). Thi
s antenna tv amplifier or uhf wideband amplifier need to be build inside of a metal box and then connected close to the tv antenna.