8.5G 1000base-lx/lh SFP 1310nm 20KM SFP Optical Transceiver Module High ... -LX-8.58.5G1310nmSFPDFB+PIN10kmCYINSP-LH-8.58.5G1310nmSFPDFB+PIN20KMCYINSP-ZX-8.58.5G1550NMSFPEML+PIN40KMCYOEM and ODM OEM/ODM order is ... : DHL, FedEx,EMS,TNT, UPS and so on. 8.5G 1000base-LX/LH SFP 1310nm 20KM SFP Optical transceiver