Fogli di alluminio per proteggerci dal 5G
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Electromagnetic interference (EMI) shielding effectiveness of pure aluminum: an experimental assessment for 5G (Sub-6GHZ)
The SE of aluminium has been evaluated for a frequency range where 5G (sub 6 GHz) applications will be implemented. In this respect, it is considered a serious contribution to the literature. The SE of aluminium has been analysed for a wide spectrum from 3.3 to 6 GHz. In addition, the effect of thickness of the aluminium sheets was also investigated as part of this study. For this purpose, single-layer, double-layer and triple-layer aluminium sheets were formed and measured. The experimental results obtained within the scope of this paper show that;
Aluminium shows an SE in the range of 45–90 dB for the 5G range.
The shielding performance of aluminium decreases with increasing frequency.
As the thickness of the aluminium sheet increases, the shielding performance increases.
The SE of aluminium is particularly effective in the 4.5 and 5.1 GHz frequency ranges.
Considering the physical advantages of aluminium, it can be used in 5G applications to be carried out in these regions.
The absorption characteristic of aluminium is more dominant than the reflection characteristic in the 5G frequency range below 6 GHz. The average absorption is between 20 and 60 dB, while the reflection characteristic is between 10 and 20 dB.
The EMC characteristics of different metals and their layered forms will be the subject of future studies at the 5G frequency range.