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(USGovernment-News.Com, April 19, 2018 ) An intercom (intercommunication device), talkback or doorphone is a stand-alone voice communications system for use within a building or small collection of buildings, functioning independently of the public telephone network (Azori 2016). Intercoms are generally mounted permanently in buildings and vehicles. Intercoms can incorporate connections to public address loudspeaker systems, walkie talkies, telephones, and to other intercom systems. Some intercom systems incorporate control of devices such as signal lights and door latches.
The report Video Intercom Devices Market begins from overview of Industry Chain structure, and describes industry environment, then analyses market size and forecast of Video Intercom Devices by product, region and application, in addition, this report introduces market competition situation among the vendors and company profile, besides, market price analysis and value chain features are covered in this report.
1 Industry Overview 1.1 Video Intercom Devices Industry 1.1.1 Overview 1.1.2 Development of Video Intercom Devices 1.2 Market Segment 1.2.1 Upstream 1.2.2 Downstream 1.3 Cost Analysis
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