EU stock + lifetime warranty. 10GBase-ZR Optical Transceiver,SFP+,10G,Single-mode Module (1550nm,80km,LC). Single-mode Module. All price listed exclude tax, import fees, and customs duties. Huawei compatible 02312NCX QSFP28-100G-1310nm-80km-SM-01 QSFP28 optical transceiver modules from QSFPTEK equipped with LC duplex connectors that can transmit 80km through SMF OS2 fiber optic cable. 3125Gb/s,0~4dBm,-24dBm,LC,SM,80km). The design is compliant with 40GBASE-ER4 of the IEEE P802. This 10G DWDM SFP+ transceiver operates at tunable DWDM wavelength from C17 channel - 1563. Huawei lists this module under BOM code 02312NCX in their ordering system.