S/FTP patch cable of category 6. Halogen-free, flame-retardant jacket. Wires made of 100% copper. Gold-plated connectors with strain relief. The wires made of 100% copper are double-shielded, and the cable features strain relief. The jacket is made without halogens and is highly flame-retardant. Unlike conventional PVC cables, these cables are halogen-free: the dangerous release of halogen-containing combustion gases is thus excluded, and smoke generation is minimized. Halogen-free cables are also difficult to ignite and do not exhibit dangerous ignition cord effects. Screened Foiled Twisted Pair (S/FTP) refers to cables that have a metallic shield around each pair of wires (FTP) and an additional overall metallic shield (S). In shielded cables, there are hardly any impedance or reactance deviations compared to unshielded ones. The transmission parameters remain relatively constant and better than those of UTP cables, even at high frequencies. Cat 6 cables are designed for operating frequencies up to 250 MHz and are often used in professional settings. Transmission speed may suffer over longer lengths, but minor excess lengths are generally acceptable depending on external influences. Application areas for Cat 6 include voice and data transmission, as well as multimedia and ATM networks.