S-3553LC20D MikroTik 2x 20Km Single Mode SFP Modules

S-3553LC20D Overview This  is a 1.25G Single Mode optical SFP module with a LC connector, T1310nm/R1550nm, which works for connections up to 20km and supports DDM. This is a 1.25G Single Mode optical SFP transceiver with an LC connector,T1550nm/R1310nm, which works for connections up to 20km and supports DDM.