Fiber Optic Patch Cord Low IL& high RL Can guranntee 100% 3D ... ISO9000, Bellcore ,UL, RoHS,5S SC to SC Single Mode fiber optic patch cord Features Low insertion loss and high return loss ... ,UPC,APC PolishingFC,SC,ST,LC,MU connectorsuitable for high-speed,high-capacity optical fiber tranmission systemProvide SM/MM patch cord and ...