What is high speed cable? What are the domestic and international manufacturers of high speed cables?

A. What is a high-speed cable? High-speed cables are cables that are used to transmit high-speed digital signals, typically in the frequency range of 1 GHz to 40 GHz. These cables have extremely low signal loss and noise and are able to maintain signal integrity and stability in the high frequency range. High-speed cables are used in a wide range of applications such as computers, communications, industrial and medical equipment. There are many types of high-speed cables, including coaxial cables, twisted pair cables, optical fibers and so on. Their characteristics and applications are described below. Coaxial Cable Coaxial cable is a cable consisting of an internal conductor, an insulating layer, an external conductor and an external insulating layer. The internal conductor and the external conductor are separated from each other by an insulating layer to minimize signal interference. Coaxial cable is commonly used to transmit high frequency signals such as television, cable modems and computer networks. The advantages of coaxial cable are its ability to transmit high-frequency signals, consistent signal quality, and less interference. The disadvantages are that it is relatively thicker and bulkier, and more expensive to install and maintain. Twisted Pair Cable Twisted pair cable is a cable formed by twisting two insulated wires together. Both wires are identical, but they are interlaced when transmitting signals. This construction reduces signal interference and improves signal quality. Twisted-pair cables are commonly used for transmitting data signals such as telephones, local area networks (LANs) and wide area networks (WANs). The advantages of twisted pair cable are that it is cheap, flexible, and easy to install and maintain. The disadvantage is that it cannot transmit high frequency signals and the farther the distance the worse the signal quality. Fiber OpticsFiber optics are long, thin tubes made of glass or plastic that are used to transmit light signals. Fiber optics are commonly used to transmit high-speed data signals, such as Internet and telephone signals. The advantages of fiber optics are that it is capable of transmitting high-speed data signals with stable signal quality and less interference. The disadvantages are that it is more fragile and vulnerable to damage, and the installation and maintenance costs are higher. Performance indicators of high-speed cableThe performance indicators of high-speed cable usually include the following aspects: bandwidth: the bandwidth of a high-speed cable determines how much data it can transmit. Bandwidth is usually described in terms of bits per second (bps). Latency: The latency of a high-speed cable refers to the amount of time it takes from the sending end of the cable to send data to the receiving end of the cable. Latency is usually described in milliseconds (ms). Jitter: Jitter on a high-speed cable refers to the temporal instability of data transmission, which may result in delayed or lost packets. Jitter is usually described in units of standard deviation (ms). Interference Resistance: The interference resistance of a high-speed cable refers to its ability to maintain stable transmission performance in an interference environment. Cables with high interference immunity are able to transmit data stably in environments such as strong electromagnetic interference and electromagnetic shielding.

High-speed cables play an important role in modern society. They are capable of transmitting high-speed digital signals, improving the efficiency and quality of data transmission.

Second, what are the domestic and foreign manufacturers of high-speed cables?

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