The DL-DFB37105T-A-25-E from DenseLight Semiconductors is a Laser Diode with Wavelength 1371 nm (Center), Output Power 5.4 to 8 mW, Output Power 5.4 to 8 mW, Output Power (CW) 5.4 to 8 mW, Threshold Current 9 to 25 mA. More details for DL-DFB37105T-A-25-E can be seen below.