4.025Gbps SFP+C-temp Optical Transceiver sis produced by F-tone through independent research with high stability。Used for 14.025Gbps Fibre Channel and Other optical links;Electrical interface compliant to SFF-8431;850nm/1310nm/1550nm/CWDM ;widely used in telecommunications networks, aerospace industry, Aviation, electricity, railways, medical, transportation, communications, and other major areas