Leviton SST is the highest-performing CAT6A UTP cable, and the best choice for high-bandwidth mission-critical applications such as Wi-Fi 5/6 access points, medical imaging technology, financial/trading platforms and ultra-high-definition 4K video. SST Offers unmatched assurance of network performance with superior signal isolation and excellent high-PoE performance. A specially designed isolation wrap provides superior heat management and noise-canceling performance, preventing electrical energy from transferring between cables while eliminating the need for grounding.