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详细内容 I am looking for some sort of a One-Way-Intercom-System to serve a campus environment. I want to install ceiling-type Audio Speakers in about 50-rooms (consisting of offices and classrooms) in a school campus. The audio-speakers will receive messages read over a Microphone installed at a Receptionists Desk. The broadcast (messages) could be controlled at the receptionists desk such that at times its made available to:1). all the 50-rooms2). just a selected number of roomsThe people (students and teachers) receiving/hearing the message in each of the rooms cannot send messages over the system back to the receptionists desk or from one room to another room. This is what I mean by a one-way-intercom-system.I am looking for a cable connected system and/or a wireless system. How much would such a system cost? 联系方式 Email SA.PERRIN@WANADOO.FR 公司名 ESBE INTERNATIONAL 国家 比利时 联系人 EMMANUEL SZLEPER 地址 AVENUE MOLIERE 329 1180 BRUSSELS 电话 0032 2 3406929 **** Hidden Message *****Email mercantimb@aol.com,unalit@unalit.fr,jacquenet.malin@wanadoo.fr,contact@jardipolys.com,vacheron.sa@wanadoo.fr,
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