Mediabridge Solid Copper Cat7 Ethernet Cable (1000 Feet, Blue) - Low-Smoke Zero Halogen Jacket (Part# C7-1000-BLUE) Universal connectivity to computers & network components, such as routers, switch boxes, network printers, network attached storage (NAS) devices, voip phones & PoE devices Supports up to 600 MHz & is low-smoke Zero halogen (LSZH) for excellent Fire safety characteristics of Low smoke, Low toxicity & Low corrosion. Pair with RJ45 connectors for Professional custom installations. 23AWG (0.3" outer Diameter) durable build preserves signal quality & still Manages to take up only minimal wall space. Tough, yet flexible Blue insulated jacket is marked at 2ft intervals for Easy Installation. Shielding includes 100% al/Mylar coverage, 80% aluminum braid.