The WSLP-1550-xxxm-9-FP from Wavespectrum Laser Inc. is a Laser Diode with Wavelength 1520 to 1580 nm, Output Power 0.0005 to 0.002 W, Output Power (CW) 0.0005 to 0.002 W, Threshold Current 5 to 15 mA, Operating Current 0.002 A. More details for WSLP-1550-xxxm-9-FP can be seen below.