How does DUO perform over long distances?

At a prestigious site in the Constantia Wine Valley DUO has been put to the test. The project: an audio system with switchboard and several external door station units fitted with access control keypads, essentially a rather simple installation, with very few elements, but an important technical difficulty – cable runs exceeding 600m. In theory DUO is designed to operate over a maximum cable run of 1000m for audio only. In this...

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