A coaxial cable is an electrical wire frequently used to transport high-frequency communications. It is composed of an outside insulating layer, a metal shield, an insulating layer, and a central conductor. The coaxial cable’s architecture facilitates effective signal transmission with little interference.
There are several kinds of coaxial cables, each intended for a particular use. Below is a detailed explanation of some of the most widely used versions:
RF cables
These are the typical cable TV lines that attach to the RF input device or the signal-in port. RF cables are best suited for short-range audio/visual components, home use, or applications with less traffic. They are not recommended for long-distance transmissions.
RG-6
RG-6 coaxial cable is the most often used type for transmitting data and video in cable and satellite TV systems. It can transmit higher bandwidth signals further than RG-59 because it has a thicker conductor and insulation.
RG-8
Applications needing less loss during long-distance transmissions and high voltage handling employ RG-8 cables. These cables, which have an impedance of 50-0 a.m., are common in high-power transmission apparatuses such as ham radio equipment. The radio and telecommunications sectors rely heavily on these connections. RG-8 cables are very useful for carrying radio frequencies over long distances because of their superior loss resistance.
RG-213
High power capacity, low loss, and extreme reliability characterize the RG-213 cables. They are comparable to RG-8 cables, but have a solid layer of insulation in place of foam. RG-213 cables have a 50-ohm low-loss transmission function. These functional cables are frequently utilized for mobile uplink systems, internet connections, and CB radios.
RG-59
RG-59 cables are mostly used for cable TV installations. Their impedance is 75 ohms. Shorter transmission distances are the ideal use case for these cables. Although they are dependable options for transmitting videos, their signal strength may decrease with increased distance. This makes RG-59 cables perfect for closed-circuit TVs (CCTV), such as security cameras, control room monitors, and recording studios.
RG-11
This type of coaxial cable is used for long-distance data and video transmission. Its strong insulation and conductor allow it to carry signals with a broader bandwidth over even longer distances than RG-6.
RG-62
The purpose of RG-62 cables is to transport electromagnetic signals with high frequencies. They stand out because of their exceptional signal dependability and capacity to send data across great distances. These cables are very helpful for satellite applications and automobile antennas due to their high-capacity performance. With a 93-oh rating, these wires indicate minimal signal corruption.
Miniature coaxial cable
These smaller-diameter coaxial cables are widely used in space-constrained applications, particularly in consumer electronics like tablets and smartphones.
Tri-Shield
Tri-Shield coaxial cable provides a shielding layer to avoid interference, much like RG-6 does. It is used in areas where there is an issue with electromagnetic interference.
Quad-Shield
Quad-Shield coaxial cable has two extra shielding layers for even more critical interference protection than Tri-Shield. It is commonly used in commercial installations and areas with a lot of interference.
Conclusion
Every kind of coaxial cable has a specific use and function. The equipment, the separation between signal locations, and the working environment all determine the ideal type of cable required.