NICE AND EASY: Can you use crimp-on connectors for a cell booster cable?

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If you’re in an older house, chances are there’s coax cable in the walls. A previous owner might have had an antenna or cable TV. No one ever goes through the trouble of fishing cable out of walls, they just leave it there. So what can you do with it?

Most of the cables you’ll find from the 20th century use a crimp-on connector like the one in the photo above. This was common back then, and this sort of cable works fine for low-bandwidth applications like analog cable or over-the-air antenna. But can you use them for cell phone signal boosters? After all, if you don’t have a cell booster, you should. Your phone is the way you connect to the world and chances are, that connection isn’t that good inside the house. Take a second and shop for one now.

These old cables aren’t much good for cell phone boosters.

We recommend compression connectors for all coaxial cables, but mostly because they offer superior weather resistance. A compression connector is mandatory for satellite because of the dense, high bandwidth signal that passes through it, but cell signals do quite well with crimped-on connectors on cables.

If you’re trying to use up some old cables or are just looking for an inexpensive way to extend a line, I’d avoid using cables with crimped-on connectors. I used to say it wasn’t a problem, but that was in the days before 5G. Today, you could be sending signals in the 3GHz range down the line and crimped-on connectors won’t handle it. If the cable itself is in good shape, just cut the old connectors off, and put all new ones on. Before you do, though, use a multimeter to at least confirm that the cable isn’t broken somewhere inside the walls. That does happen from time to time.

Is there anything you can use hex-crimped cables for?

Hex crimped connectors on cables are also just fine for antenna lines inside the house. If your home was wired for cable TV in the 20th century it probably has hex-crimped connectors throughout. These won’t help you for satellite, that’s for sure, but you have a built-in distribution system for your antenna if you want to go that direction.

Even these days, crimped-on and screwed-on connectors are common for over-the-air TV in other parts of the world. In Europe, it’s much more common for apartment buildings to share an over-the-air antenna, and you’ll find crimped-on connectors everywhere there. TV frequencies, no matter where in the world you are, rarely get above 800MHz. That means crimped-on connectors are just fine.

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About the Author

Stuart Sweet
Stuart Sweet is the editor-in-chief of The Solid Signal Blog and a "master plumber" at Signal Group, LLC. He is the author of over 10,000 articles and longform tutorials including many posted here. Reach him by clicking on "Contact the Editor" at the bottom of this page.