The T15D-XYZ-WM-TI-D from Lasermate Group is a Laser Diode with Wavelength 1540 nm, 1550 nm, 1560 nm (Central), Output Power 0.5 to 2 mW, Output Power 0.5 to 2 mW, Threshold Current 10 to 15 mA, Operating Current 20 mA. More details for T15D-XYZ-WM-TI-D can be seen below.