Fiber optic adapter Connector: sc, fc, lc, st, e2000, mu, mtrj, d4, din, sma, bare fiber adapter, hybrid adapter, plastic adapter- optional Parameter Single mode Multimode Insertion loss(db) 1 0.25 Exchangeability(db) 1 0.20 Repeatability/500 remates(db) 1 0.30 Sleeve material Zirconia Phosphor bronze Housing material Plastic Metalic Operating temperature -40¡ãc to +80¡ãc Storage temperature -40¡ãc to +80¡ãc 10pcs/blister box, 3000pcs /carton box