Customer SupportIf there are any issues with either ethernet cable cat8, we will solve your problem within 24 hours. Ultra Speed 40Gbps & 2000MHzThe transmission speed of Ciwoda cat8 ethernet cable is up to 40Gbps and 2000MHz bandwidths. its conductor is made of single - stranded 26AWG 100% oxygen-free copper, which has a triple shielded. It is highly resistant with EMI/RFI Interference and provide highest fidelity for long distance data transmission. And signal transmission of single copper is more stable than multiple copper, have a better connectivity. Nylon Braided & Buried DirectlyCiwoda heavy duty cat 8 lan cable has a sturdy nylon braided, quality nylon braided jacket with 16,000+ bend lifespan. With upgraded waterproofed & UV-resistant PVC jacket. Can be buried directly. Suitable for both outdoor and indoor condition use. Tested plugging and unplugging above 10,000+. Premium structureThese cat8 network cables are made of 4 shielded foiled twisted pair(S/FTP) copper