1.sr/lr/er/zr 2.5g sfp 2.OEM/ODM 3.850nm ... -6,UKAS,UL,SGS compatible 5.L/T:stock SR/LR/ER/ZR fiber optical transceiver 2.5gb/s sfp ,2 ... /s80km1550nmDFBSMYESLCFT340ASFP1.25Gb/s100km1550nmDFB+APDSMNOLCFT340ADSFP1.25Gb/s100km1550nmDFB+APDSMYESLC Product line SR/LR/ER/ZR fiber optical transceiver 2.5gb/s sfp