To date, significant progress has been made in developing shielding materials. At the same time, at the moment, there is an increasing demand for materials that, in addition to shielding, have a different combination of such performance properties as flexibility, transparency in various spectral ranges, low weight and thickness, air permeability, etc. For the correct operation of high-precision electronic devices, human life support systems, as well as information protection, it is crucial to effectively protect such devices from parasitic radio emission, which is implemented mainly through the use of materials, design and technological solutions based on them providing radio shielding in various frequency ranges. In the range from tens of kHz to hundreds of GHz lie such essential technologies as radio navigation, mobile and satellite communications, TV and radio broadcasting, Wi-Fi, etc. The space around us is permeated with electromagnetic radiation of various frequencies.
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