Sunnytech CAT7 500ft S-FTP Twisted Pair, 1200MHz 10GBase-T Data, Solid 23AWG Installation Cable, Bulk Pack(w/20 pack cat7 plug Free) Sunnytech CAT7/7A, S-FTP Twisted Pair, 500ft, Solid AWG23, 1200 MHz, 10GBase-T data, bare annealed copper 0.57mm nom, Overall diameter: 7.5mm nom. None flat cable design (performance decrease, interference increase after years) LSZH type, Low-smoke, zero-halogen, flame retardant, non corrosive compound for indoor use Flame tests: IEC 60332-3-24 (fire LSZH-3), IEC 60754 (gas), IEC 61034 (smoke) Applied Standard : ISO/IEC 11801 Ed.2.2, IEC 61156-5 Ed.2.1 Manufacture by Digitus, Germany GHMT Lab Test Cat7 Certified No P3517-14-E (2014), 10 Years MFg Warranty