The SFP-BI1324-40-D from 10Gtek Transceivers is a Fiber Optic Transceiver with Data Rate <2.5 Gb/s, Wavelength 1310 nm, 1550 nm, Distance/Reach 40 km, Output Power -2 to 3 dBm, Receiver Sensitivity -20 to -3 dBm. More details for SFP-BI1324-40-D can be seen below.