Posted by Merializer on URL: https://www.es-forum.com/Gaps-in-Meters-Detectable-Frequencies-tp4033417p4033418.html
Yes, some of us are aware of the gap.
But most people are mostly concerned about microwaves and magnetic fields.
You may find the description interesting about the Trifield 2 below this video:
https://www.youtube.com/watch?v=lN3crQ5vaUo