100/1000M SFP with DDM info[at]hongkien[dot]com we supply full range of 100/1000M SFP with DDM at best pricing Features: Support DDM Function Up to 1.25 Gb/s NRZ Single +3.3V Power Supply Hot-Pluggable SFP footprint Metal enclosure, for lower EMI Duplex LC connector TTL signal detect indicator 1310nm Fabry-Perot laser Transmitter APPLICATIONS: 1.25Gb/s 1000Base-LX Ethernet Gigabit Fibre Channel High Speed I/O for File Servers call