"ᱨᱚᱲᱭᱚᱢ (ᱨᱮᱰᱤᱭᱳ)" ᱨᱮᱱᱟᱜ ᱫᱚᱦᱲᱟᱭᱮᱱ ᱛᱟᱞᱟᱨᱮ ᱯᱷᱟᱨᱟᱠ

https://en.m.wikipedia.org/wiki/Radio_quiet_zone

==ᱥᱟᱠᱷᱭᱟ.ᱛ==

 

http://www.radio-electronics.com/info/rf-technology-design/index.php