The Broadband Amplifiers which improve the DTT signals. The gain is the same in all band, it isn´t depend of the level signal that we have at the entry. There are a lot of kind of the headends, so we must have to know which is the signal that we want amplifier (DTT, FM, DAB, VHF, SAT, etc..) the gain and the level of the signal that we need. This kind of the headends is installer in instalations where the signal is the same more or less at the entry (3dB of the different), also it is not recommended to installer in buildings that have more than 5 houses.
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