... 2≤0.3≤0.3Return lossdB≥45≥50≥60≥30≥45≥50≥30≥45≥50≥35≥55≥75Operating wavelengthnm1310, 15101310, 15101310 ... ), Multimode (MM: 50/125um or 62.5/125um), OM3(10G)fiber(4)Cable Quantity: Cable Quantity: Simplex, Duplex, 6cores ,12corns, ... type: PVC, LSZH, OM3, OFNR, OFNP, Plenum FC SX SM Fiber optic patch cord FC SX SM Fiber optic patch cordFC SX SM Fiber optic patch cord FC SX SM Fiber optic patch cord