• 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. The color of the small pull tab on an optical module, while seemingly insignificant, hides a wealth of crucial information. Let's uncover its mysteries with Xiaoyi . I. The Core Identific...

• 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...

• July 15. 2025

Good News!  ETU-Link: The patent for portable optical module coding box is officially available! Optical modules are the core of communication and carry massive amounts of data. However, traditional coding equipment is bulky, has non-universal interfaces, is complex to operate, and has limited efficiency. Now, this revolutionary product comes with a patent and will bring changes to the indust...

• July 02. 2025

Despite the rapid development of 100G and 400G technologies, 40G QSFP+ optical modules are still the mainstream choice for small and medium-sized data center upgrades due to their high cost-effectiveness and mature ecosystem. Faced with the two major technical routes of QSFP-40G-SR-BD (short-distance bidirectional) and QSFP-40G-LR4-S ( medium- distance single-mode), how to accurately match the nee...

• June 25. 2025

In today's era of data explosion, high-speed and stable data transmission has become a demand of various industries. As an important component of 100G network, the core component 100G QSFP28 dual-fiber optical module has attracted much attention. Today, we will deeply analyze the four mainstream models of 100G QSFP28 dual-fiber optical modules: QSFP28-100G-SR4, QSFP28-100G-LR4, QSFP28-100G-ER...

• May 19. 2025

In the wave of digital transformation, the demand for high-speed, large-capacity optical transmission in data centers, 5G bearer networks, and metropolitan area networks continues to rise. For medium- and short-distance high-density networking scenarios, the 100G QSFP28 O-Band DWDM 10km optical module launched by ETU-LINK has become a "weapon" for building efficient optical communication networks ...

• May 15. 2025

With the explosion of 5G, cloud computing, and AI computing power, the demand for bandwidth in data centers and communication networks is growing exponentially. However, problems such as limited fiber resources, high wiring costs, and tight rack space have become "invisible bottlenecks" that restrict network upgrades. How to Break Through? ETU-LINK 100G QSFP28 BIDI optical module came into being. ...