• October 21. 2025

With the increasing demand for network bandwidth in scenarios such as 5G base station deployment, data center interconnect (DCI), and high-definition video transmission, 100G optical modules have become the mainstream choice. 100G Single-fiber Optical Modules, with their core advantage of enabling bidirectional transmission over a single fiber, are becoming a key device for conserving fiber resour...

• 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...

• 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 ...

• 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...

• August 15. 2024

With the rapid development of information technology, the demand for high-speed data transmission is growing. Among many transmission media, optical fiber has become an indispensable part of modern communication network with its advantages of high speed, high bandwidth and anti-interference, etc. MPO (Multi-fiber Push On) interface, as an important connection method in optical fiber communication,...

• July 03. 2024

With the latest market report from LightCounting, we are able to get a glimpse of the dynamics of the optical communications market in the second quarter of 2024 (Q2 2024). In keeping with recent market performance, the optical communications market was once again starkly "hot and cold" this quarter: as has been the trend over the past several quarters, the optical communications market was marked...

• June 07. 2024

With the rapid development of information technology and the increasing demand for network, the demand for high-speed and high-bandwidth data transmission equipment is becoming increasingly urgent. As a high-speed optical module, 800G is becoming the "new darling" of data centers. In this issue, we will take a look at the technical principle of 800G OSFP 2xSR4 optical module products and its ...

• May 15. 2024

The continuous development of technology is driving the growth of data transmission rate requirements, and 56G QSFP+ SR4 optical modules have also become an important solution for communication needs in data centers, cloud computing, high-performance computing and storage networks. In this blog, ETU-Link will introduce the technical principle, advantages and application scenarios of this optical m...