Conductor: Solid Bare Copper 23 AWG. Jacket Material: CMP Flame-retardant Plenum (Low Smoke PVC). Speed Rating: Supports 10/100/1000 Mbps and 10 Gbps up to 55 meters. Bandwidth: Our Cat6 cables are certified to handle Gigabit Ethernet with a bandwidth of up to 550 MHz. Conductor: 100% pure copper wires are compliant with EIA/TIA standard by UL and ETL. Outer Diameter: 5.3 mm. Standards: ANSI/TIA-568-C.2. Complies with: UL & ETL, listed as CMP. RoHS compliant.