single mode fibre - Robuta Search

https://www.itu.int/rec/T-REC-G.650.3/en

https://www.dlink.com/it/it/products/dem-315gt

DEM-315GT | SFP 1000Base-LX Single-mode Fibre Transceiver (80km) | Ricetrasmettitori

https://www.dlink.com/si/sl/products/dem-423xt

DEM-423XT | 10GBASE-ER Single-mode XFP Fibre Transceiver | Transceivers and modules

https://www.dlink.com/uk/en/products/dis-s310lx

DIS-S310LX | 1-port Mini-GBIC SFP to 1000BaseLX Single-Mode 10km Fibre Transceiver

https://www.dlink.com/lv/lv/products/dis-s310lx

DIS-S310LX | 1-port Mini-GBIC SFP to 1000BaseLX Single-Mode 10km Fibre Transceiver