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What is a DWDM optical module?

October 22 , 2021

DWDM optical module belongs to a kind of WDM optical module. It uses DWDM technology to multiplex multiple optical signals into one optical fiber to transmit data using different wavelengths. This operation does not need to consume any power. These optical modules are designed for high-capacity and long-distance transmission, with a rate of up to 10Gbps and a working distance of up to 120km.


Classification of DWDM optical modules

Common DWDM optical modules include DWDM SFP, 10G DWDM SFP+, and 25G DWDM SFP28.


DWDM SFP optical module

DWDM SFP optical module adopts DWDM technology and uses SFP package. DWDM SFP series optical module includes 44 optional channels and supports speeds from 100Mbps to 2.67Gbps. It is widely used in Fast Ethernet, Gigabit Ethernet, 1G/2G Fibre Channel Synchronous optical network, the working wavelength is 1528.77nm-1563.86nm, each wavelength interval is 0.8nm, and the transmission distance through single-mode fiber is up to 80km to 120km;


10G DWDM SFP+ optical module

The 10G DWDM SFP+ optical module adopts a hot-swappable SFP+ package and supports the entire C-band. The operating temperature range is available in commercial grade (0℃-70℃) and industrial grade (-40℃-85℃). It complies with SFP28 MSA And 10G Ethernet standard, the longest transmission distance can reach 40km to 80km through single-mode fiber transmission;

10G DWDM SFP+ Optical Transceiver

25G DWDM SFP28 optical module

The 25G DWDM SFP28 optical module is mainly used to meet the needs of 25G Ethernet and 5G fronthaul services. The maximum rate is up to 25.78Gbps, the working wavelength is 1528.77nm-1563.86nm, and each wavelength interval is 0.8nm, 10km.

25G SFP28 DWDM Optical Transceiver

Advantages of DWDM optical module

The DWDM optical module supports pluggable and tunable, and there are 40 common channels to choose from, which greatly improves the efficiency of the module. According to different needs, DWDM optical modules have different channel intervals such as 0.4nm, 0.8nm and 1.6nm, which can support long-distance transmission up to 100km, and can be used as an effective solution for line bandwidth expansion.


FiberWDM is a professional manufacturer of Dwdm Mux Demux. Product types include dual fiber and single fiber. Dwdm multiplexer with multiple channels. Feel free to contact! Email: sales@fiberwdm.com



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