What Type of Coaxial Cable Does Comcast Use?

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A coaxial cable is a common type of data communication cable. There are many different types of coaxial cables. In hooking up a Comcast cable box, the Comcast manual specifies that you need a 75 ohm coaxial cable with F-type connectors.


Ohm is the unit of measurement used to indicate the amount of resistance acting upon an electric current as it flows through a circuit. "F-type connectors" are screw-on connectors.


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Other Considerations

Another thing to consider is the RG value of the coaxial cable—such as "RG-6." "RG" stands for Radio Guide. The value that follows it is a reference to the diameter and internal characteristics of that particular type of coaxial cable. Comcast does not specify a standard RG value for the best type of coaxial cable to use with their products.



Common Coaxial Cables for Cable TV

"RG-6" and "RG-59" are two common types of coaxial cables used in homes for cable TV.



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