Lift series
Socket series
Solid suspension series
Wall rack series
Cart series
Projection screen
Conference System
PA system
Control system
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无线屏接收器（无线屏都需要配置此设备）
通讯频率：双向RF，433MHZ，通讯ID地址可调
通讯距离：不小于80米视距
外壳：全铝合金外壳，黑色烤漆金属表面
Telephone:13910588519 /13161668929  Fax:  24 - hour service hotline:13910588519   http://www.bjsaida.com   
Factory name:BeiJing XHSD Technology Development Co.,Ltd. Address：Room 310, Building 5, No. 7, Anju Road, Changping District, Beijing (Zhuxinzhuang Metro East)   Beijing public network security equipment:11010802010137