This optical laser light source is a stabilized high-power light source used in the field of fiber optic network installation and maintenance. The application range of the OPTISource double wavelength MM 850nm / 1300nm fiber optic light source is, due to its high quality workmanship and reliability, in the field of fiber optic attenuation measurement, fiber optic signal loss measurement and fiber optic cable identification via light source modulation. https://elecena.pl/product/17871592/257821-optisource-fo-light-source-mm-850nm-1300nm 2021-04-24 https://elecena.pl/product/17871592/257821-optisource-fo-light-source-mm-850nm-1300nm 2022-07-23 https://elecena.pl/product/17871592/257821-optisource-fo-light-source-mm-850nm-1300nm 2022-10-22 https://elecena.pl/product/17871592/257821-optisource-fo-light-source-mm-850nm-1300nm 2026-07-17