Small size, light weight(2kgs), stable function, easy operation and installation, also with information cards function. 1.SummaryIt is wireless call system. no cabling required, this system is made of the master station, the user station, and signal repeater.2. FeaturesCable: No cabling required.Use of frequency: 315/433MHz.Call Distance: The wireless calling can cover within the range of 1,000 ...
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