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Why can I only use Digital Antenna, Incs antennas and cables with the DA4000MR or DA4000SBR?

April 26, 2017antenna ANTENNAS cables DA4000MR DA4000SBR digital

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Why can I only use Digital Antenna, Incs antennas and cables with the DA4000MR or DA4000SBR?

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The DA4000MR and AD4000SBR are high performance, technologically advanced RF amplifiers. They are tested as a system and provide performance specified by the FCC approval. An improperly matched antenna (one with a high SWR) or cable can damage the amplifier unit or cause it to operate in violation of FCC specifications as well as voiding the warranty.