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SDH (Synchronous Digital Hierarchy) and DWDM (Dense Wavelength Division Multiplexing) are two types of transmission systems used to transmit large amounts of data over long distances.

SDH is a standard for synchronous data transmission over optical fibers.

It is used to transport data, voice, and video signals at high speeds, with data rates of up to 10 Gbps. SDH is often used in telecom networks to provide high-speed connectivity between different locations.

DWDM, on the other hand, is a technology that allows multiple data streams to be transmitted over a single optical fiber by using different wavelengths of light.

This enables much higher data transmission rates than traditional optical fiber networks. DWDM is often used in data centers and telecom networks to increase network capacity and bandwidth.

Both SDH and DWDM transmission systems have their advantages and disadvantages. SDH is a mature technology that is widely used in telecom networks and is known for its reliability and scalability. However, it can be expensive to set up and maintain.

DWDM, on the other hand, offers much higher bandwidth and capacity than SDH and is a more cost-effective solution for high-speed data transmission. However, it is a newer technology and may require more expertise to set up and maintain.

Overall, the choice between SDH and DWDM transmission systems will depend on the specific needs of the organization and the size and complexity of the network. Businesses should carefully consider their transmission needs and budget before choosing a transmission system.

We as WAFA are partnered with Huawei to offer you the best SDH and DWDM systems as per your needs