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A wired intercom system may incorporate wireless elements. There are many types of wireless intercom systems on the market. Most wireless intercom systems communicate by radio waves using one of the frequencies allotted by various government agencies. Some wireless intercom systems communicate using the 802.11 standard. [1]
Improvements to fire industry communications have continued into the present with multiple developments including wireless applications, multi-interfacing capabilities, and more. Setcom redesigned two of their intercom systems for greater functionality and with additional features as well as introduced a wireless headset application.
The company's FreeSpeak wireless intercom was nominated in 2020 for a TEC Award. [7] Clear-Com was purchased in 2010 by Southern California electronics manufacturer HME, known for supplying wireless headsets for drive-through fast-food restaurant operations. [8] Company headquarters were moved from Poway to Carlsbad, California, in 2018.
Most Bluetooth headsets implement both Hands-Free Profile and Headset Profile, because of the extra features in HFP for use with a mobile phone, such as last number redial, call waiting and voice dialing. The mobile phone side of an HFP link is Audio Gateway or HFP Server. The automobile side of HFP link is Car Kit or HFP Client.
A butler uses an intercom on behalf of a lady. An intercom, also called an intercommunication device, intercommunicator, or interphone, is a stand-alone voice communications system for use within a building, small collection of buildings or portably within a small coverage area, which functions independently of the public telephone network. [1]
Some systems are designed for point-to-point line-of-sight communications, once two such nodes get too far apart they can no longer communicate. Other systems are designed to form a wireless mesh network using one of a variety of routing protocols. In a mesh network, when nodes get too far apart to communicate directly, they can still ...
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