• December 26. 2025

In 100G optical modules, single-fiber modules save fiber resources through wavelength division multiplexing (WDM) technology, making them suitable for scenarios with limited fiber resources or long-distance transmission; dual-fiber modules have a simple structure and low cost, making them suitable for short-distance or high-reliability scenarios. The following is a detailed comparative analysis: I...

• November 14. 2025

Driven by the demands of cross-domain disaster recovery in cloud computing, 5G backbone network transmission, and wide-area data interconnection, 40G optical modules need to balance short-distance high density with long-distance breakthroughs. ETU-LINK has expanded to include an 80km ultra-long-distance model, forming a full-distance coverage matrix ranging from 100 meters to 80 kilometers. With m...

• November 11. 2025

Ⅰ. Accelerated Localization of Optical Modules: Triple Drivers of Policy, Technology, and Corporate Practice Driven by the explosive growth of AI computing power and the large-scale application of 5G, optical modules, as a core component of communication infrastructure, are entering a critical window of opportunity for domestic substitution. ETU-Link Technology Co., Ltd. more than a decade of...

• November 04. 2025

When AI models are trained in hours and autonomous driving processes massive amounts of data in real time, 800G optical modules are an indispensable high-speed transmission foundation. They are not merely "upgrades to network cables," but core components supporting the operation of global digital infrastructure. Companies like ETU-LINK, deeply rooted in the field of optical communication, are prov...

• October 24. 2025

In 100G optical communication networks, QSFP28 (Quad Small Form-Factor Pluggable 28) is the mainstream packaging standard. It is key to high-speed interconnection in data centers and telecommunications networks, and directly affects the deployment efficiency of optical modules and network performance. I. Core Design of QSFP28 Packaging 1. Compact size: approximately 18.3mm×56.5mm×8.5mm, only 1/5 o...

• 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...

• August 06. 2025

In the complex network world of data centers, optical modules play a crucial role, efficiently converting electrical and optical signals to ensure stable, high-speed data transmission across fiber optic networks. Many network maintenance engineers and procurement staff often ask: What does each pull tab color of optical module stand for? How to judge wavelength/fiber type/distance via pull ring? A...

• July 28. 2025

In the rapidly developing field of high-speed data communication networks, optical modules play an indispensable and key role. As the connecting "bridge" between switches, routers and other devices, these small and easily replaceable modules are responsible for the conversion between electrical signals and optical signals. From connector types to external dimensions, optical modules show rich dive...