CERTIFICATION - Cat6 Ethernet cable with CM grade PVC jacket is UL listed, complies with TIA/EIA 568-C.2, is ETL verified and RoHS compliant. PERFORMANCE - High performance Cat6 ethernet patch cables are designed with extremely well-matched components for outstanding uniform impedance and very low return loss, providing lower crosstalk, and a higher signal-to-noise ratio. They support frequencies of up to 500 MHz and are suitable for high-speed 10GBASE-T internet connection for LAN network applications such as PCs, servers, printers, routers, switch boxes, and more, while remaining fully backward compatible with your existing network.