The OPT3495-5G from Optocom Corporation is a Fiber Optic Transmitter with Wavelength Range 1590 nm, Output Optical Power 0 to 2 dBm (Average), Optical Rise/Fall Time 0.15 ns, Data Rate 1 Mbps to 2.5 Gbps, Spectral Width 1 nm. More details for OPT3495-5G can be seen below.