[shortdesc] 1.25Gbps data rate 20km range Single LC connectors Wavelengths of 1310nm and 1550nm Compatible with MikroTik devices [/shortdesc] [properties] Product Name MikroTik S-3553LC20D Product Description 1.25G Single Mode optical SFP transceiver with LC connector, T1310nm/R1550nm, supporting DDM for connections up to 20km Product Type Transceiver Connector Single LC UPC Data Rate 1.25 Gbps Distance 20 km Format SFP Mode Single Mode (SM) Tested Ambient Temperature -40°C to +70°C Wavelength 1310nm / 1550nm Compatible Devices MikroTik devices Max Power Consumption 1W [/properties] [specifications] Optical Output Power -3 to +3 dBm Receiver Sensitivity -21 dBm DDM Support Yes Fiber Type Single Mode Transmission Rate 1.25 Gbps Compliance CE, FCC, RoHS Dimensions 0.5 x 0.55 x 2.18 inches (13 x 14 x 55.5 mm) Weight 0.04 lbs (20 g) Certifications TUV, UL Operating Humidity 5% to 85% non-condensing [/specifications] MikroTik S-3553LC20D The S-3553LC20D comprises a set of SFP transceivers, specifically the S-35LC20D, which is a 1.25G Single Mode optical SFP module featuring an LC connector and operating at T1310nm/R1550nm. This module is designed for connections spanning up to 20km and is equipped with DDM support. Quick Specs: Distance: 20km Data Rate: 1.25G Format: SFP Max Power Consumption: 1W Please see the related tabs for the S-3553LC20D datasheet and compatible accessories.