... Optic Adapter Manufacturer Carefiber offers Fiber Optic Adapters, in PC, UPC, APC, SM and MM Types, Low Insertion Loss, Zirconia Sleeve ... . 1. Features: Low insertion loss. PC, UPC or APC, SM or MM is available. Accurate mechanical dimensions. Zirconia ... SC, ST, MU, MTRJ, E2000, DIN, D4, MPO, bare optical fiber adapter, hybrid optical fiber adapter, etc is available. Simplex, duplex or ...