When your internet slows down or feels laggy, most people blame the Wi-Fi. But sometimes, even a wired connection using Ethernet cables can have weak signal problems. Yes, Ethernet is usually fast and reliable—but if the signal isn’t strong enough, your internet can still suffer.

So what can you do to boost that signal and get better speed, smoother streaming, and a stronger connection? You’re in the right place. We’ll walk through some easy ways to improve your Ethernet signal, even if you're not super tech-savvy.

Let’s keep it simple, clear, and helpful for everyone—even a 12-year-old can understand.

What Is Signal Strength in an Ethernet Cable?

Signal strength in an Ethernet cable means how well your data travels from your device to your router and back. When the signal is strong, your internet feels fast and steady. When the signal is weak, pages load slowly, games lag, and videos buffer.

Even though Ethernet cables are known for good performance, many things can weaken the signal—old cables, long distances, or even bad installation.

That’s why it’s important to use the right tools and follow simple tips to keep your signal strong.

How Do I Increase the Signal Strength of My Ethernet Cable? (Exact Answer)

To increase the signal strength of your Ethernet cable, use shorter and high-quality Ethernet cables, avoid sharp bends or damage, and add devices like Ethernet switches or extenders to boost the signal over long distances. You can also upgrade to better cables from reliable network cable manufacturers or use fiber optics products for even stronger performance.

Use High-Quality Ethernet Cables

Not all Ethernet cables are made the same. Some are faster, newer, and better shielded from outside interference.

If your cable is old or damaged, the signal can become weak. Try switching to Cat6 or Cat6a cables for better speed and cleaner signal. These are easy to find, and there are lots of Ethernet cables for sale online and in stores.

Good quality cables are thicker, last longer, and are less likely to bend or fray. So if your cable is skinny, flat, or old, it might be time to upgrade.

Keep Cable Length Short

Ethernet cables have a limit. Most standard cables can carry a signal up to 100 meters, or about 328 feet. But the longer the cable, the more the signal can weaken.

Try to keep your cable as short as possible. Don’t run a super long wire if your router is just a room away. Shorter cables give a stronger signal and faster connection.

If you really need to go farther, use signal boosters like switches or extenders. We’ll talk more about those below.

Avoid Cable Damage and Sharp Bends

Bending your Ethernet cable too much can crush the wires inside. This makes it hard for the signal to travel smoothly.

Make sure your cables are laid out gently. Don’t twist them tightly, step on them, or squeeze them behind furniture. Also, check for damage. If the cable is frayed or broken, replace it.

Using cable clips or ties can help keep your cables neat and safe. It’s a small thing, but it can make a big difference.

Use Ethernet Switches or Extenders

If your Ethernet cable is going a long way—like through several rooms—you might need help keeping the signal strong. That’s where a switch or an extender comes in.

An Ethernet switch is a small device that boosts your signal and lets you plug in more devices. It’s great for offices, big homes, or gaming setups.

An Ethernet extender helps push the signal farther when the distance is too much for one cable to handle. You connect the cable to the extender, then add another cable to go even farther.

These devices are easy to install and can make your network much stronger.

Keep Cables Away from Power Sources

Electric wires and big electronics can mess with your Ethernet signal. If your cable runs next to a power strip, heater, or microwave, the signal might get weak or noisy.

Try to keep your Ethernet cable away from anything that uses a lot of electricity. Give it space to breathe and avoid crossing power cables if possible.

This helps reduce signal interference and keeps your connection smooth.

Upgrade to Better Network Products

Sometimes it’s not just the cable—it’s the equipment. Routers, switches, and connectors can all affect how strong your signal is.

If your gear is old or low quality, even the best cable won’t help much. Try upgrading to new devices that support higher speeds, especially if you’ve recently upgraded your internet plan.

Look for products made by trusted network cable manufacturers. These brands usually test their gear to work better and last longer.

Use Fiber Optics Products for Maximum Strength

If you need the strongest and fastest signal over long distances, fiber optics products are the way to go. Unlike Ethernet cables that use electricity, fiber optics use light to send data. That means less interference, faster speed, and almost no signal loss—even over many kilometers.

Fiber optic cables are more expensive and harder to install, but they are great for big homes, schools, or businesses.

If you don’t need fiber in every room, you can still use a fiber backbone to cover the long part of the run, then connect to Ethernet from there. It gives you the best of both worlds—speed and convenience.

Test Your Ethernet Speed

Not sure if your signal is strong? You can run a simple speed test on your computer or phone. Connect your device to the router using the Ethernet cable and visit a website like speedtest.net.

If the speed is much slower than your internet plan, your signal might be weak. Try swapping out the cable, checking for damage, or using a shorter wire.

Testing your speed helps you know what to fix—and gives you proof when things improve.

Where to Find the Right Ethernet Cables

If you're looking for better cables to boost your signal, it helps to know where to shop.

You can find Ethernet cables for sale at tech stores, online shops, and even hardware stores. Look for trusted network cable manufacturers that make Cat6 or higher. Also, check if they offer shielded cables for better protection.

Bulk cable options are great if you need to run Ethernet through walls or ceilings. And if you're considering fiber, many sellers also offer fiber optics products to help you upgrade your setup.

Final Thoughts

Boosting the signal strength of your Ethernet cable doesn’t have to be hard. Start by checking your cable—make sure it's short, new, and high-quality. Keep it away from power sources, avoid bending it, and use tools like extenders or switches if needed.

And if you're ready to take it to the next level, fiber optics products give you powerful performance with almost no signal loss.

There are plenty of Ethernet cables for sale, but the best ones come from trusted network cable manufacturers. So take a little time to choose the right gear, and your internet will be stronger, faster, and more reliable every single day.