... 80km LC connector Optical module SFP CWDM, wavelength from 1270nm~1610nm Cisco,hp,3com,alcatel,Nortel... Highlight1.25G SFP CWDM 80km LC connectorWavelength ... 1570nm, 1590nm, 1610nmCompatible Cisco, HP, 3com, alcatel, Nortel, Extreme... Model SFP-CWDM-2080-1410 Data Rate 1.25G Gigabit Wavelength 1410nm ... problem, please feel free to contact us, we will work with you to get it solved and let both of us ...