StarTech Cisco Compatible Gigabit Fiber Single Mode 1.25 G SFP Transceiver Module with DDM &ndash; 12.4mi / 20 km (Mini-GBIC) GUARANTEED 100% CISCO COMPATIBLE: Meets MSA standards and is designed, programmed and tested to perform identically to the Cisco GLC-LH-SMD fiber transceiver module. LIFETIME WARRANTY: This Cisco GLC-LH-SMD compatible SFP+ module is backed by a lifetime warranty from StarTech.com. SFP FIBER MODULE PERFORMANCE: Max Data Transfer Rate: 1 Gbps |Wavelength: 1310 nm | Type: Single Mode Fiber | Connection Type: LC Connector | Maximum Transfer Distance: 20 km (12.4 mi) | Power Consumption: Less than 1 Watt | MTBF: 2,722,277 hours | DDM: Yes LC SFP Transceiver / Cisco Compatible Gigabit Fiber SFP Transceiver Module SM LC w/ DDM Equipped with an industry standard single-mode LC interface