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You can use either the USB port on your TV or the power cube that is included to power the amplifier. The coaxial port is needed to connect the antenna.
Sorry, there was a problem. Please try again later.The antenna connects to the antenna/cable (coaxial) input of the tv. The amplifier part of the antenna needs the electrical (AC) connection. The amplifier can be disconnected from the antenna and if your reception is good without the amplifier portion, you don't need the AC connection.
Sorry, there was a problem. Please try again later.I had an electric connection and the coaxial cable to the TV.
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