GLSUN SFP-25G-CWDM-1270-10-T02, CWDM 25.78Gbps SFP28 transceiver is designed for use in 25Gb/s data rate over single-mode fiber for link length 10Km. The transceiver designs are optimized for high performance and cost effective to supply customers the best solutions for 25Gb/s single lane optical links. Compatible Cisco Form Factor SFP28 Max Data Rate 25.78Gb/s Wavelength 1270nm~1370nm Max Cable Distance 10km Connector Duplex LC Transmitter Type DFB CWDM Extinction Ratio 3.5dB Media SMF Power Consumption