In addition the aluminum foil shield cable braided copper wire mesh screen and different coat polyester tape coat copper wire shield?
For signal shielding, shielding wire net good.
Barbed wire can shield electric and magnetic fields at the same time. But the ductility of iron is not good, easy to break, easy to rust.
With aluminum foil copper wire braided jacket shielded wire general in ultra high frequency signal line, and polyester belt wire net used for shielding coat of audio and video signal line.
