All LAN CAT cables for structured cabling systems meet the requirements of EIA/TIA-568 and TSB36 as well as ISO/IEC 11801 and EN 50173 (class D). Features: UTP/S = unshielded twisted pair / screened · UTP/BS = unshielded twisted pair / braided screened · H = halogen-free execution · FTP = foiled twisted pair · S-FTP = double folied twisted pair ·STP = shielded twisted pair.