Description: Duplex Multimode Fiber Patch Cable Cord Jumper Specifically designed for Ethernet, multimedia or other communication application Connector Type: SC to ST Core: Multimode Fiber Density: Duplex Specification: Transmission Distance: 550m Insertion loss: A1? 0.3DB, B1 ? 0.3DB; A2 ? 0.3DB, B2 ? 0.3DB Return loss: A1 ? 50DB, B1 ? 50DB; A2 ? 50DB, B2 ? 50DB Material (External): PVC Color: Blue Package Includes: 1 Piece SC to ST Fiber Cable