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How To Tell Which Coax Cable Is For Internet – Expert Help




How To Tell Which Coax Cable Is For Internet

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The world of coax cables is huge! There are so many different coaxial cables that it is often quite confusing. Which one serves which purpose? That’s quite a difficult question!

We often receive queries related to identification, especially with the Internet cable. In this article, we will help you out. 

A Brief About Coax Cables

Coaxial Cable

In order to identify the cables, you should be aware of some basics. One of them is the naming. No matter which cable you pick up, you will see RG written on it. RG stands for Radio Guide. After this, you will see certain numbers such as 58, 6, and 8. Each depicts a certain purpose.

  • RG-6, RG-11, RG-59: These cables have video applications. They are usually connected to the TV.
  • RG-8 and RG-58: These cables are suitable for Ethernet and Internet connections. RG-6 can also be used sometimes.

How To Tell Which Coax Cable Is For Internet?

The answer to this question is very simple. All you have to do is to find the markings on the particular cable. If it reads RG-8 or RG-58, it means that it is made for the Internet. You can go ahead and connect it to the router. If you see any other markings, you should know that it is not suitable for this function.

You may also wonder which coax outlet is best for the router or the modem. In this case, you will require a tester. The coax cable tester will help you determine which outlet is giving you the strongest signal. 

People Also Ask

1.) How Do You Tell Which Coax Cable Is Which?

By checking the markings on the cable, you can determine its purpose.

2.) Which Coax Cable Is Used For Internet?

RG-6, RG-58, and RG-8.

3.) Are All Coax Cables The Same?

No, they are not. They are of different types, made to serve specific functions.

4.) Do All Coax Cables Work For Internet?

No, they don’t.

5.) What Internet Speed Can Coaxial Cable Handle?

Coax cables can handle around 10 Mbps to 100 Mbps speeds.


Is the sheer number of coax cables confusing you? At first glance it can definitely be overwhelming but don’t you worry. Identification is actually quite simple. The answer is in the markings. As long as you know which cable serves which function, identification will take only a few seconds. We hope our article helped you with just that. If you have any more questions, do not hesitate to ask us.

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