What is DWDM SFP Module?

- Mar 16, 2021-

DWDM (Dense Wavelength Division Multiplexing) SFP module is a dual-fiber bidirectional 10 Gigabit optical module that can provide high-capacity bandwidth in the network, and has 32 fixed wavelengths that can support the International Telecommunication Union (ITU) 100 GHz wavelength .

The channel spacing of the DWDM SFP  module has different spacings such as 0.4nm, 0.8nm, 1.6nm, etc. according to needs. Its spacing is small, so additional wavelength control devices are required, and the cost will be higher. However, the DWDM SFP module has a key advantage, that is, its protocol and transmission speed are irrelevant.


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