MikroTik S-31DLC20D SFP module 1.25G SM 20km 1310nm 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. Product specifications: Product code: S-31DLC20D Connector: Dual LC UPC Data Rate: 1.25G Distance: 20 km Format: SFP Mode: SM Tested ambient temperature: -40 to +70C Wavelength: 1310nm
Product information source: Streakwave product page.