Coaxial cable is a type of communication cable used to transmit signals. Coaxial cables are different from other cables in that coaxial cables have two layers of conductors. As the name implies, "coaxial" means that the two layers of conductors are coaxial. This design is to improve the quality of the transmitted signal, and the outer conductor acts as a shielding layer.
Structure：
The coaxial cable has four layers of structure: inner conductor, insulation, outer conductor and outer sheath. There are many choices for the materials of each layer, general conductors can choose bare copper (BC), silver-plated copper (SC), galvanized copper (TC), copper-clad aluminum (CCA), copper-clad steel (CCS), and silver-plated copper Baotou Steel (SCCS), Silver-plated Copper Clad Aluminum (SCCA). Insulation can choose Foam PE, PE/FEP/PTFE/LDPTFE. The outer conductor is also called the shielding layer. There are three structures: tubular conductor, single-layer braid and double-layer braid. The materials are generally bare copper (BC), tinned copper (TC), silver-plated copper (SC) and aluminum-magnesium alloy. The material of the sheath is generally PE, PVC, LSZH, etc.
Application:
Coaxial cables are widely used in the transmission of radio frequency or audio and video, mainly used as radio frequency signal transmission cables for cellular mobile communication systems such as GSM, CDMA, UMTS, and LTE. In addition, there are also some other applications, such as connections between antennas arrays, connections or jumpers between radio frequency devices, and indoor coverage systems.
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