• April 17. 2025

Driven by 5G, cloud computing and digital transformation, optical modules, as core components of high-speed communications, are evolving towards higher performance and longer distances. With its leading technology, ETU-LINK has launched 25G SFP28 ZR 80KM dual-fiber optical module and 25G SFP28 BIDI ZR 80KM single-fiber optical module , which have become the preferred solutions for data centers, me...

• July 21. 2025

When building an efficient and stable network architecture, the 10G SFP+ optical module 120km version stands out with its unique highlights and becomes a powerful assistant in the field of long-distance communication. In response to this, ETU-Link launched the 10G SFP+ 1550nm dual-fiber optical module, which uses an LC single-mode optical fiber interface with a maximum transmission distance of up ...

• September 18. 2025

CWDM and DWDM, the "two brothers" in fiber optic communications, differ by only one letter in their names, but the difference is huge! Today, this article will explain the core differences and help you quickly distinguish them. Ⅰ. Transmission Capacity: Worlds Apart Technically, both rely on wavelength division multiplexing (WDM) technology, but they differ significantly in key parameters. DWDM (D...