Pine layer twisted non-metal flame retardant optical cable GYFTZY (2-288 core) is a type of optical fiber cable used for long-distance telecommunications and data transmission. If you find any infringement or sensitive information of it, please contact us for handling. Enter between 20 to 4,000 characters. This cable is specifically designed for harsh environments where traditional metal cables may corrode or be damaged. Then, a LSZH outer jacket is extruded.