Tempest EMI Power Line Filters – Secure Noise Suppression for Sensitive Systems: Premier’s Tempest EMI Power Line Filters provide premium suppression against conducted EMI/RFI for Tempest and secure communications environments. Designed in compact configurations, they deliver high attenuation while minimizing footprint — perfect where space and security matter. These filters help reduce compromising emissions and protect sensitive electronics from noise, ensuring clean power and cat-level performance in telecom, defense, and secure facilities.