- Antenna extension cable for devices with coax connection. - 3 layers of screening. - Tin-plated, copper-modulated HP oxygen-free copper conductor. - High-quality special lines with coaxial structure. - Ferrite filters. - 24-karat hard gold-plated solid metal plugs. - Multiple protection. - PE foam insulator and triple highdensity total shield for complete elimination of interference radiation - Screening rate > 100 dB. - For HDTV.