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| Public broadcasting system is intelligent buildings, real-time dissemination of information an important means, it has the fire radio, emergency radio, background music radio, broadcasting hotel rooms, conference rooms, audio and other audio and multi-function hall and through various forms of switch . It is mainly from multiple sensors, the band switch, power amplifier, mixer, FM / AM devices, antennas gramophones, double cassette tape recorder, homonym, control panels and other components to complete the necessary functions. |
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