In this article we would like to analyze whether window screens made of metal wire mesh (especially copper screening) block signals or not?
Copper wire mesh mainly includes three types: brass, red copper and phosphorus copper wire mesh. Doing well in anti-electromagnetic interference and sound insulation, all of them can be used as a shielding net and phosphorus copper wire mesh which is more expansive, performs best.
However, metal window screen will hardly block signals. There are some reasons as following:
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