121-3956, RS PRO, RS PRO LC to LC Multimode Duplex Fibre Optic Adapter, 0.1dB Insertion Loss, Brand RS Pro, Connector Type LC to LC, Single/Multimode Multimode, Simplex/Duplex Duplex RS PRO LC to LC Multimode Duplex Fibre Optic Adapter, 0.1dB Insertion Loss