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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...

The slogan of  HDV at the New Trade Festival: Extreme-Every quality detail is taken seriously and every order is served to the extreme; Excitement-wholeheartedly deal only for customers, and cheer for every self-growth; Accurate-precise matching, precise transaction, and accurate service. Backgr...

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-...

In order to meet the customer’s order requirements, all the employees of HDV worked overtime to catch up with the schedule, and there was a busy scene in the workshop. Let’s walk into the production workshop and feel the positive signals from the production line. “Hurry up and s...

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...