Material: Steel, Wavelength: 1330nmTx/1270nmRx, Maximum Data Transfer Rate: 10.31 Gbps, Max Transfer Distance: 40 km (24.8 mi), MTBF: 646,156,559 hours, DDM: Yes, Type: Single Mode, Compatible Networks: 10 Gbps, Fiber Operating Mode: Full-Duplex, Lifetime Limited Warranty, SFP-10G-BX-D-40-ST.