Think again
I'm pretty blase' about your "vibration" theories, but let's try to keep demons from the Dungeon Dimensions out of it. Next thing on the list will be the tinfoil hats to keep electrical monsters out of your brain...
On the other hand, if demons and things like that are electrical entities, they could be shielded against and controlled or captured by electromagnetic means...
"Who ya gonna call??"
Another lower spectra entity succumbs to clean living and high tech!