The EP1692-DM-B from Eblana Photonics is a Laser Diode with Wavelength 1680 nm, 1692 nm, 1730 nm, Output Power 2 to 5 mW, Output Power 2 to 5 mW, Threshold Current 20 to 25 mA, Operating Current 120 mA. More details for EP1692-DM-B can be seen below.