The duplex fiber optic cable consists of two strands of glass usually in a thin web construction that can be separated. It is commonly used for fiber applications where a separate transmit and receive are necessary. When simultaneous bidirectional data transfer is required, then you’ll require duplex fiber cable. The Duplex Fiber Optic Cable, Zip Cord, Single Mode, 9/125 is manufactured of genuine Corning glass with a plenum rated construction. This duplex fiber optic cable is made with a tight buffer, an aramid yarn and a PVC outer jacket. All materials of its construction meet the RoHS and REACH Directive standards. This duplex fiber cable is UL listed OFNP for safe usage inside environmental air handling spaces like plenums. Insertion loss ≤0.3dB and Return loss ≥50dB, Fiber Grade Bend Insensitive, Minimum Bend Radius 30 mm.