So there use 5GHz?<p>Or use <a href="http:&#x2F;&#x2F;www.amazon.com&#x2F;YSHIELD-EMF-Shielding-Paint-HSF54&#x2F;dp&#x2F;B007A0RTES" rel="nofollow">http:&#x2F;&#x2F;www.amazon.com&#x2F;YSHIELD-EMF-Shielding-Paint-HSF54&#x2F;dp&#x2F;B...</a> ;)