TP-Link TL-SM311LM SFP Gb 550m Multi-Mode Module
Grandstream SFP+ Fiber modul, single mod, 10km, 10Gbps
Ubiquiti UACC-OM-SM-1G-S-20 - 1G SFP, SM Module, BiDi, Simplex LC UPC, 20-Pack
Signamax 100-32SM-LR20 1G SFP optický modul SM 1310nm LC, 20km, DDM - Cisco komp.