RF Coaxial Cable

RF is any frequency within the electromagnetic spectrum associated with the propagation of radio waves. When RF current is supplied to the antenna, an electromagnetic field is created, which is then able to propagate or propagate through space. Many wireless technologies are based on radio frequency field propagation. These frequencies form part of the electromagnetic radiation spectrum.

RF coaxial cables are cables that transmit electromagnetic energy in the radio frequency range. Radio frequency cables are indispensable components in various radio communication systems and electronic equipment. They are widely used in wireless communication and broadcasting, television, radar, navigation, computers and instruments.

RF Coaxial Cable is the most commonly used construction type. Because the inner and outer conductors are in concentric positions, the electromagnetic energy is limited to propagate in the medium between the inner and outer conductors, so it has significant advantages such as small attenuation, high shielding performance, wide operating frequency bandwidth and stable performance. Typically used to transmit radio frequency energy from 500 kHz to 18 GHz. At present, there are two types of commonly used RF coaxial cables: 50Ω and 75Ω RF coaxial cables. The characteristic impedance of 75Ω RF coaxial cable is often used in CATV network, so it is called CATV cable, and the transmission bandwidth can reach 1GHz. At present, the transmission bandwidth of commonly used CATV cable is 750MHz.

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