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Bad cell phone signal inside the building?  Updating from an existing phone system to a newer state-of-the-art digital or internet based phone system?  New home or business in need of communications system design and installation?  Whether it’s a cellular signal repeater, an advanced digital or voice-over-IP (VoIP) system, or a “plain old telephone” system, we can assist you with your communications needs. 

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(808) 893-2501

©2019 Horizon Systems & Design

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