Communication cables, also known as "communication cable," refer to cables used for near-distance audio communication, long-distance high-frequency carrier and digital communication, as well as signal transmission. They are one of the top five cable products in China. Based on their applications and usage, communication cables can be categorized into six series, including: city communication cables (such as paper-insulated city telecommunication cables and polyolefin-insulated polyolefin-sheathed city telecommunication cables), long-distance symmetrical cables (including paper-insulated high and low-frequency long-distance symmetrical cables, copper-core foam polyethylene high and low-frequency long-distance symmetrical cables, and digital transmission long-distance symmetrical cables), coaxial cables (including small, medium, and miniature coaxial cables), submarine cables (divided into symmetrical and coaxial submarine cables), optical fiber cables (including traditional cable type, tape array type, and frame type), and radio frequency cables (including symmetrical and coaxial radio frequency cables).
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