The SFP-1524-80-D from 10Gtek Transceivers is a Fiber Optic Transceiver with Data Rate <2.5 Gb/s, Wavelength 1550 nm, Distance/Reach 80 km, Output Power -2 to 3 dBm, Receiver Sensitivity -28 to -10 dBm. More details for SFP-1524-80-D can be seen below.