The SFP-1503-15-D from 10Gtek Transceivers is a Fiber Optic Transceiver with Data Rate 100 to 155 Mb/s, Wavelength 1310 nm, 1550 nm, Distance/Reach 15 km, Output Power -15 to -8 dBm, Receiver Sensitivity -32 to -5 dBm. More details for SFP-1503-15-D can be seen below.