Article S-31DLC20DManufacturer MikrotikForm factor of the SFP moduleOptical connector type LC x 2The working distance of the module is 20 km.Data transfer rate up to 1250 MbpsThe optical wavelength is 1310 nm / RxOperating temperature range -5 ~ 60CDimensions, mm. 65 x 12 x 10 mm.Weight, kg. 0.05..