For example, satellite communication signal radio signal, GPS signal, mobile phone signal shielding foil and aluminum foil. Can good?The foil is harmless to the human body? In addition, the foil can shield the high-frequency wave? MHZ or less is less than GHZ. Can you shield GHZ class waves?
Tin foil and aluminum foil blocking / shielding electromagnetic signals, regardless of frequency is M, G, or more, can be shielded.Harmless to the human body, you can rest assured that the use ofThe food sold in the supermarket is very good with foil, so you can try it
Tin foil and aluminum foil blocking / shielding electromagnetic signals, regardless of frequency is M, G, or more, can be shielded.Harmless to the human body, you can rest assured that the use ofThe food sold in the supermarket is very good with foil, so you can try it
Tin foil and aluminum foil blocking / shielding electromagnetic signals, regardless of frequency is M, G, or more, can be shielded.Harmless to the human body, you can rest assured that the use ofThe food sold in the supermarket is very good with foil, so you can try it
