DWDM technology refers to WDM technology with smaller spacing between adjacent wavelengths, and the working wavelength is located in the 1550nm window.It can carry 8 to 160 wavelengths on a single fiber.Mainly used in long distance transmission system.Opelink offers a range of DWDM MUX / demux modules with up to 96 channels (spaced at 50GHz, 100GHz or 200ghz) in simplex or duplex configurations. Our DWDM modules types of packaging: ABS Pigtailed Box, RackMount and LGX Cassette.