High quality optical cable, good mechanical characteristics, passed ISO9001,TLC,RoHS, ApplicationMainly used ... is 5D when G657 fiber is used.Options1, Fiber Type: G652, G655 or G657 single-mode fiber, A1a or A1b multi mode cable, or other types ... , or other contracted color;4, Cable Dimension: The nominal cable dimension, or other contracted dimension; UV protection 3G used 2-fiber Fiber Optic Cable