MikroTik S-55DLC80D is a 1.25G, single-mode SFP module with a wavelength of 1550 nm and a range of 80 km, featuring a dual LC connector and DDM.

All modules are rated for industrial temperature (-40°C to +85°C) and are compatible with all MikroTik products that have SFP or SFP+ cages.

Transmit specifications include an output optical power of +5 dBm.

Receive specifications include an average receive sensitivity of -25 dBm, a maximum received power of -2 dBm, a loss of signal de-assert threshold of -26 dBm, and a loss of signal assert threshold of -40 dBm.