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屏蔽３Ｇ信号手机信号屏蔽器／阻断器

屏蔽３Ｇ信号手机信号屏蔽器／阻断器


[CS-JZ] [China]
发布日期: November 29, 2007
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屏蔽第三代信号型手机信号屏蔽器(又名手机干扰器/隔断器/抑制器/截断器/隔离器/会议信息保密机)是长江科技有限公司采用国外先进技术，针对主要针对国内高考、成人高考、自学考试及各类大专院校在考试过程中，一些不法分子利用手机作弊的现状，且同时结合各类中级、高级中学学生利用手机在上课时间乱发短信的现状，以及政机关、企业各类大中小型会议室、音乐厅、影剧院等严肃的场所中手机所带来的烦恼和吵杂根据国内移动通信实际情况精心研制成功的高科技产品,它能在半径20~140米范围内隔断800/900/1800/1900手机信号,使手机无法打出和接听,但又不会干扰其它电子教学设备工作,手机离开隔断范围,即可恢复正常使用。还学校一份洁净，还会议一分宁静。
1、 屏蔽四路频段
2、 采用铝合金拉丝外壳，散热更彻底
3、 发射功率4-6W，每根天线1-1.5W
4、 有效屏蔽半径距离1-30米可调
5、 环保产品,对人体无任何损害
 
其他信息
位置:  China 
最小订单:  5pcs 
最小订单价格:  70USD 
  (这是最小订单价格。大批量订货，请联系)
有样品提供:  NO 
相关分类: 警报, 警察和军事供应 »
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