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 The 2N® Helios IP is a door communicator that perfectly combines state-of-the-art technology with a unique design. It is a communication system supporting both voice and video transmission, all in the IP environment by means of the SIP protocol.
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 2N® Helios is a modern door communicator with a perfect design and features that you won't find on every door. It is a communication system supporting voice transmissions.
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 The 2N Helios IP with display door phone is the latest development in the 2N Helios series of door communicators. It offers the same features as 2N® Helios IP, but due to its TFT colour display it has more user friendly and comfortable use.
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