MIKROTIK 20Km Single mode, 1.25Gb SFP Module (S-31DLC20D)

S-31DLC20D
is a 1.25G SFP transceiver with a 1310nm Dual LC connector, for up to
20 kilometer Single Mode fiber connections, with DDM 



Units
are tested and compatible with RB260GS,RB2011LS, RB2011LS-IN,
RB2011UAS-IN, RB2011UAS-RM, RB2011UAS-2HnD, RB2011UAS-2HnD-IN, and
CCR1036-12G-4S. Units are compatible with non-MikroTik SFP devices as
well.