(8-pages, pdf) Wireless Technologies, How They Work, Advantages and Disadvantages. Today there are three basic wireless technologies available that are used in public areas such as government agencies, community centers, lecture halls, movie theaters, live theater, concerts, etc. Each of these systems uses a different method of sound transmission:
1. hearing loops
2. Frequency Modulation (FM) broadcast technology
3. Infrared (IR) light technology.
Each method has its own advantages and disadvantages, and all three technologies can be employed, not only in public venues, but also in the workplace, at school, for personal use at home or when traveling.
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pdf
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HLAA, Tools
