This simplex fiber optic coupler comes with its own housing and will connect two SC-terminated fiber cables together. Adapter: MM, ABS, Color: Beige. Sleeve: Zirconia. Dust Cap: ABS UL94 HB, Color: Black. Insertion Loss: Less than or equal to 0.2dB. Durability(500 Mating): 0.2dB Max Increase. Operating Temperature: -40~+85 degree Celsius.