• April 30. 2026

In today's rapidly evolving technological landscape, the convergence of drones and optical communication is becoming a key force driving industry transformation. The following will elaborate on the relationship between drones and optical communication, trends in optical module products, and future prospects. I. The Relationship Between Drones and Optical Communications: Optical Modules as Core Com...

• April 28. 2026

Comparative Analysis of PAM4 and NRZ Modulation Technologies PAM4 and NRZ are two mainstream digital signal modulation technologies in optical communication and high-speed data transmission. Their fundamental differences lie in the number of signal levels, transmission efficiency, and anti-interference capabilities. The following analysis will examine them from three dimensions: principles, c...

• 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....