... and directivity with 100% Optic test and Individually package. Specifications: 1.IL<=0.2dB,RL>=55dB 2.Durability>1000 3.SM/MM ... PC,APC,UPC optional Application: Local Area Network CATV SystemTelecommunication NetworksEquipment Test Parameter: ParameterUnitLC, SC, FC, MU, ST, SC-ST, FC-ST, FC-SC, FC-LC, FC ... 40~75Storage Temperature°C-45~85-45~85-45~85 Fiber Optic LC/APC Duplex Singlmode Adaptor