Single-mode cable, LSZH (Low Smoke Halogen Free). It has an SCA connector on one end and an LCA connector on the other end. Fiber patch cables are ideal for use in telecommunications (CATV, ODF, FTTH, FTTB, FTTC) and for fast data transfers at the speed of light. Low smoke armoured jacket, halogen-free (LSZH). All chains are 100% optically tested for insertion loss to ensure quality. Cable diameter: 3 mm. High flexibility makes it easy to install in indoor spaces. Superior customer service (24/7 service in USA)