• 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...

• March 27. 2026

100G BIDI 80km ZR4 Optical Transceiver: The Revolutionary Solution for Long-Distance Transmission Ⅰ.Market Overview: Rising Demand and Maturing Technology Drive Adoption Driven by data center interconnections, 5G network deployment, and metropolitan backbone network upgrades, demand for 100G BIDI 80km ZR4 optical modules continues to grow. Its core advantage lies in its single-fiber bidirectional ...

• 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...

• 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 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...