• March 12. 2021

In the optical network solution, the unit cost of optical module as an accessory of switch is not as high as that of switch, but if the switch ports are full of optical modules, especially the original optical modules provided by equipment suppliers such as Cisco and Huawei, the total cost will be very high. Therefore, in order to reduce the total cost, many users will choose the third-party ...

• January 27. 2021

With the rapid development of communication industry, optical modules are widely used in various optical interconnection scenarios. When we use the optical module, we need to ensure the efficient and stable operation of the optical module. But sometimes it will cause some problems due to the use of non-standard, so what do we need to do to avoid the problems caused by the non-standard use? The fol...

• September 19. 2019

After a optical module is made into a finished product, it must go through multiple steps of testing before shipment that ensure the quality of the product. In the test, several parameters are very important. Only when these parameters meet the relevant standards, the optical module performance can be optimized. These parameters include: transmitted optical ...

• March 13. 2019

With the development of social science and technology, mobile networks have already entered people's lives early. Without it, people cannot watch HDTVS or play games online. It has become an indispensable necessity. Nowadays, people will enter the 5G era, so what is the 5G network? What is the difference with 4G network? What is the 5G network? The 5G network is the fifth generation mobile phone m...

• January 24. 2019

To all our customers and friends: Have you ever wondered what ETU means? Today we gonna tell you something about us, let you know us more. 1. What does "ETU" means? Why we named "ETU"? "E" for "Ethernet", "T" for "Transceivers", "U" for "Union", so it means Ethernet Transceivers Union, Our founder and team focus on builting up a stronger union, to service more customers in the world. 2.How "ETU" l...

• November 23. 2018

Sometimes, we often encounter this situation. After contacting you, the customer would say there are so many people in this industry,why we choose to cooperate with you? There are many manufacturers of optical transceiver in the market, and many of them are powerful. Why should the customers choose to cooperate with us? Here's the answer! Hard working sales team The sales team of ETU all cherish t...

• October 27. 2018

5G, the 5th generation wireless systems, is another improvement in communication technology after 4G. It is expected that the transmission rate of 5G networks can reach up to 10Gbps, which means that mobile phone users can download a high-definition movie in one second. From the experience of the majority of users, whether it is video and audio, or application downloads, etc., the most intuitive e...

• July 24. 2018

In order to maintain a friendly relationship between ETU and customers, and to protect and avoid unnecessary losses, control the RMA cost reasonably to provide better services to the customers. 《RMA details》 are are set out as follows:   The product provided by ETU-Link - 3 years warranty 1. The international RMA will involve tariffs, the larger amount, the more tariffs, so nee...

• July 06. 2018

Recently, several new colleagues came into sales department. Sales is the core department of a company. The economic lifeline could be deeply influenced by sales. If you want to sell your product, you need to be familiar with the product. Let's start with a simple thing -- naming rules for optical modules. If you don't know the product model, how can you communic...

• July 04. 2018

In the process of talking with customers, sometimes they ask us what is the different between our optical transceiver and Cisco?What are the advantages?Why choose us?In order to enable customers to better understand our company and product advantages, we will use the interesting pictures to interpret between ETU and Cisco optical module.   I represent Cisco. I'm the b...