Radius 48 HDMI cables utilize Wireworld’s ultra-quiet Composilex 3 insulation in a precision triple-shielded design to provide improved sound and image quality. Radius is UHS/48Gbps certified by The HDMI Group, Llc. , ensuring support of all HDMI2.1 capabilities, including 8K/10K, Dynamic HDR, VRR, HDCP2.3 and eARC. DESIGN CONDUCTOR GEOMETRY CONDUCTOR MATERIAL INSULATION PLUG CONTACTS NOTE Triple-Shielded Twisted Pair Oxygen-Free Copper COMPOSILEX 3 24K gold plating UHS Certified 48Gbps/8K (UL) CL2/FT4