The OPT2325-5.0 from Optocom Corporation is a Fiber Optic Transmitter with Wavelength Range 1270 to 1360 nm, Output Optical Power -8 to -3 dBm (Average), Optical Rise/Fall Time 0.3 ns, Data Rate 1 Mbps to 1.25 Gbps, Spectral Width 4 nm. More details for OPT2325-5.0 can be seen below.