Cisco Single Mode SFP Transceivers conform to Ethernet standards 1000base-LX/LH, ZX and 10GBASE-LR,ER, ZR, CWDM and DWDM etc. The acceptable input wavelengths across Cisco Single Mode SFP Transceivers are 1310nm, 1550nm, 1710nm approx and all these are operational at extended temperature range of -5 to +45 degree Celsius. Cisco Single Mode SFP Transceivers, are compatible with single mode fibers and are designed to deliver data rate of up to 1 Gbps and 10Gbps depending upon the Ethernet standard followed. All Cozlink Cisco Single Mode SFP Transceivers are MSA and RoHS compliant and are put to stringent compatibility test with intended equipment before put to sale. The Cisco Single Mode SFP Transceivers come with DOM/DDM and can be used as cheap replacements for other CISCO compatible brands such as Huawei, Brocade, Dell, Juniper and others.