The 125N-1319-xxx from Lumentum Operations LLC is a Laser with Wavelength 1319 nm, Power 100, 150, 200 mW, Output Power (CW) 10 to 20 mW, Operating Temperature 15 to 35 Degree C, Storage Temperature -20 to 55 Degree C. More details for 125N-1319-xxx can be seen below.