• 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...

• September 11. 2025

Did you know? In the world of optical transceivers, there's a subtle yet crucial role: the gold finger. Don't underestimate these glittering golden contacts at the end of an optical module; each one carries the weight of a "bridge for data transmission." When an optical module is inserted into a device, the gold finger engages directly with the connector, ensuring reliable transmission of electric...

• March 22. 2023

At present, 4G Long-Term Evolution (LTE) base stations mainly use 10G optical modules, while 5G network deployment, especially in front-end transmission, 25G optical modules have become the first choice. As the fifth generation of mobile communication technology, the advent of the 5G era has brought the 25G optical module market to a new peak of development.     The 4G network is ma...

• March 02. 2023

The RG-S6120 series switches are Ruijie Networks multi-service 10 Gigabit switches for next-generation converged networks. It integrates rich campus and data center features. This series of switches adopts advanced hardware architecture design and is equipped with Ruijie Networks' new modular operation. The system provides faster hardware processing performance and more convenient operation and us...

• October 25. 2022

It is believed that everyone should be very familiar with the packaging of optical modules after reading the previous articles of ETU-LINK. So how much do you know about the packaging of optical components in optical modules? In this article, ETU-LINK will take you to understand the packaging process of optical devices.   At present, the common optical device packages include Box, COB, TO-CAN...

• May 14. 2022

Today ETU-LINK will take you to talk about 400G optical transceiver, according to the well-known optical communication market research agencies predict, 2018-2020 global 400G optical transceiver market size will reach 0.56 billion US dollars, 280 million US dollars and 720 million US dollars, with the explosive growth of network traffic, 400G will undoubtedly be the dominant rate of the future mar...

• February 12. 2022

At present, with the rapid development of high-definition, massive video, cloud computing and big data, self-media, Internet of Things, and artificial intelligence, the IP data traffic in global data centers is increasing year by year, and the demand for 100G optical modules is also increasing. Next, ETU-LINK will take you to the 100G optical modules world. 1、100G QSFP28 SR4 The 100G QSFP28 SR4&nb...

• August 04. 2020

In the field of communication, due to electromagnetic interference, inter symbol interference and loss, wiring cost and other factors, the transmission of metal wire interconnection transmission is greatly restricted. So the birth of optical transmission, optical transmission has high bandwidth, large capacity, easy integration, low loss, good electromagnetic compatibility, no crosstalk, light wei...