CAT 8.1 S-FTP AWG24/7 CMR Riser, Molded, Gold plated plug housing and pins Patch Cord, 2000MHz, OD 8.0mm 3ft -100ft color white grey Sunnytech Category 8.1 Class I patch cables are manufactured and tested according to the ISO/IEC 11801 and DIN EN 50173 CAT 8.1 standards. They guarantee that the cable installation complies with the ISO & EN channel specification and provide excellent performance in Sunnytech CAT 8.1 cabling.