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The NEIS is suitable in a wide range of noisy applications, where the sounds of fans, motors, engines, air-conditioning, traffic etc., give rise to poor voice communications. The system is particularly useful for improving voice quality in machine room to control room communications. The NEIS consists of a robust, stylish desktop control unit, connected to a remote “hands free” speaker unit with integral microphone, allowing the location to be constantly monitored. Using minimal hardware components, the specification, installation, and operation of the bhi intercom system is easy, connections being made via a single cat 5 data cable. The NEIS is pre-configured for optimum noise canceling, which is fully adaptive to changing environmental conditions. It is suited to a variety of applications, where clear “noise free” two-way communications are important,
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