Singlemode Duplex 2.0mm fiber optic cable 1,We are the manufacture 2,Competitive price 3,Good quality Singlemode Duplex 2.0mm fiber optic cable Features:High precistion and return ... ,Attenuator,Coupler,Waterproof pigtail,Optical fibre transciver etc. Singlemode Duplex 2.0mm fiber optic cable