Knowledge

With the implementation of the “Broadband China” and “Speed-up and fee-reduction” strategies, China ’s fixed broadband network capabilities have been continuously improved; user broadband has changed from 10M and below to 50M / 100M / 200M, and has evolved towards Gigabit;...

Development of wireless optical communication modules: 5G networks, 25G / 100G optical modules are the trend In the beginning of 2000, 2G and 2.5G networks were under construction, and the base station connection began to cut from copper cables to optical cables. At first, 1.25G SFP optical modul...

Today, the Internet is an essential part of our daily lives. In fact, there are two main ways we use the Internet: one is through the mobile phone’s data service; the other, more generally, is through broadband at home or work. From a professional perspective, wireless access is wireless ac...

The tail fiber (also known as the tail fiber, pigtail line). It has an adapter at one end and a broken end of a fiber optic cable core at the other end, which is connected to other fiber optic cable cores by welding. In other words, a jumper is cut into two sections from the center to become two...

Advantages of fiber optic communication: ● Large communication capacity ● Long relay distance ● No electromagnetic interference ● Rich resources ● Light weight and small size A Brief History of Optical Communications More than 2000 years ago, the beacon-lights, semaphores 1880, optical telephone-...

When a circuit board is soldered, it is usually not to directly supply power to the circuit board when checking whether the circuit board can work normally. Instead, follow the steps below to ensure that there is no problem in each step and then power on is not too late. Whether the connection is...