• April 21. 2026

When customers inquire about "400G optical module requirements," are you also confused about the differences between QSFP-DD, OSFP, and QSFP112? Different packages differ significantly in channel count, heat dissipation, power consumption, and application scenarios. Choosing the wrong package can affect project schedule and cost! Below is a simplified comparison table and key conclusions to help y...

• April 14. 2026

In an increasingly competitive market, comprehensive after-sales service is an indispensable part of sales work. It aims to ensure customers receive timely and professional support during the use of optical modules. ETU-LINK provides the following customer support: I. After-Sales Technical Support 1. 24/7 Service: Providing 7x24-hour technical consultation and fault reporting services, ensuring cu...

• April 03. 2026

I. Introduction to Copper SFP Modules: The "Seamless Connector" Between Electrical Signals and Optical Networks In optical communication systems, the Copper-T SFP Transceiver is a special type of optical module. It not only possesses the core function of photoelectric conversion but also directly connects to a network cable (such as Cat5e/Cat6/Cat7) via an RJ45 electrical interface, enab...

• March 20. 2026

Recently, the international situation has undergone dramatic changes. The US-led assassination of Iranian officials has stirred up a ripple effect, like a boulder thrown into a lake, and the shadow of localized war has quickly loomed. In this sudden upheaval, the business world has been hit hardest, with customer orders and cargo transportation being the first to feel the impact. The once stable a...

• March 09. 2026

In the procurement of optical modules, customers often face a trade-off between budget control and long-term reliability. Although second-hand products attract attention with their low prices, brand-new optical modules remain the better solution for critical business scenarios in terms of performance stability, after-sales guarantee, technical support , and delivery certainty. Ⅰ. Performance Stabi...

• March 05. 2026

AI computing power has driven explosive growth in the optical module market, with 800G and 1.6T technologies leading the industry transformation. Chinese companies occupy a dominant position in global competition. Coupled with the explosive growth in AI inference demand and the expansion of emerging application scenarios, the high prosperity of the optical module industry will continue in 2026. I....

• March 03. 2026

In early 2026, global commodity markets experienced increased volatility: gold prices broke through $5,189 per ounce, and prices of non-ferrous metals such as copper and tin rose by more than 20% year-on-year. Prices of epoxy resin and fiberglass, key raw materials for PCB boards, also continued their upward trend. For the optical module industry, these raw materials form the "basic framework" of ...

• February 07. 2026

Is your network transmission slow, inefficient, or unstable? Whether it's transferring files across industrial parks, backhauling data from 4G / 5G base stations, or implementing smart projects, transmission bottlenecks always seem to be the culprit. As data volumes increase and transmission distances grow, traditional network equipment can no longer keep up with the demands. In this context, 10 G...