Covers the UHF & VHF range of frequencies. Does not pass D.C.
Please select from the following values: 3dB, 6dB, 9dB, 12dB and 18db.
Used if the TV aerial signal is too strong - can also show up as pixulating or sound break up! (Not just on weak signals)
Maybe you live close to a TV transmitter or your area has just undergone digital switchover where the digital power from the transmitter has been greatly increased.
