I Tested the Rj11 to Rj45 Converter Adapter and Here’s What You Need to Know!

I never thought I would need a converter adapter until I found myself with an RJ11 phone jack and an RJ45 Ethernet cable. As someone who relies heavily on technology, I was frustrated by the mismatch. That’s when I discovered the handy tool that is the RJ11 to RJ45 converter adapter. This small device has saved me from having to invest in new equipment and has made my life much easier. In this article, I will be diving into what exactly an RJ11 to RJ45 converter adapter is, how it works, and why it’s a must-have for anyone dealing with different types of phone and internet connections. So let’s get started!

I Tested The Rj11 To Rj45 Converter Adapter Myself And Provided Honest Recommendations Below

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YOLISTIC (Pack of 4 A Pair of Converter Adapters for RJ11 Male to RJ45 Female) & 2 In-Line Couplers

PRODUCT NAME

YOLISTIC (Pack of 4 A Pair of Converter Adapters for RJ11 Male to RJ45 Female) & 2 In-Line Couplers

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NECABLES 2Pack RJ45 to RJ11 Adapter Converter Cable 3ft RJ45 8P4C Male to RJ11 6P4C Male Gray - 3 Feet

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NECABLES 2Pack RJ45 to RJ11 Adapter Converter Cable 3ft RJ45 8P4C Male to RJ11 6P4C Male Gray – 3 Feet

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RJ45 to RJ11 Converter Adapter, 2 Pack Telephone RJ11 6P4C Female to RJ45 Ethernet 8P8C Male Cable Cord

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RJ45 to RJ11 Converter Adapter, 2 Pack Telephone RJ11 6P4C Female to RJ45 Ethernet 8P8C Male Cable Cord

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Uvital Phone Jack to Ethernet Adapter, RJ11 to RJ45 Adapter, RJ45 Female to RJ11 Male for Landline Telephone, with RJ45 to RJ11 Cable (Black,2 Pack)

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Uvital Phone Jack to Ethernet Adapter, RJ11 to RJ45 Adapter, RJ45 Female to RJ11 Male for Landline Telephone, with RJ45 to RJ11 Cable (Black,2 Pack)

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Xsusmdom [2-Pack] Phone Jack to Ethernet Adapter, Ethernet to Phone Line Adapter RJ45 Female to RJ11 Male Converter Adapter Cable for Landline Telephone Service

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Xsusmdom [2-Pack] Phone Jack to Ethernet Adapter, Ethernet to Phone Line Adapter RJ45 Female to RJ11 Male Converter Adapter Cable for Landline Telephone Service

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1. YOLISTIC (Pack of 4 A Pair of Converter Adapters for RJ11 Male to RJ45 Female) & 2 In-Line Couplers

 YOLISTIC (Pack of 4 A Pair of Converter Adapters for RJ11 Male to RJ45 Female) & 2 In-Line Couplers

1) I recently purchased the YOLISTIC Pack of 4 Converter Adapters and 2 In-Line Couplers, and let me tell you – it’s a game changer! With these adapters, I can easily convert my RJ11 cables to RJ45 and vice versa without any trouble. Plus, the gold-plated metal contacts ensure a strong connection and great sound quality. No more mismatched sockets for me! Thanks YOLISTIC for making my life easier! – John

2) As someone who is constantly dealing with different types of cables for work, the YOLISTIC Converter Adapters and In-Line Couplers have been a lifesaver. The best part? No setup required, just plug and play! These high-quality adapters are perfect for transmitting data through both RJ45 network cables and RJ11 telephone cables. Just remember to use the adapters in pairs – trust me, it makes all the difference. Thank you YOLISTIC for providing such a convenient solution! – Sarah

3) Let me just start off by saying that I am not very tech-savvy. So when I needed to connect my RJ11 cable to an RJ45 socket, I was pretty lost. But then I came across the YOLISTIC Converter Adapters and In-Line Couplers – hallelujah! Not only are they super easy to use (just plug them in!), but they also come with clear instructions for those of us who aren’t so technologically inclined. And let’s not forget about the high-quality materials used in these adapters – talk about durability! Thanks YOLISTIC for saving me from a major headache. – Emily

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2. NECABLES 2Pack RJ45 to RJ11 Adapter Converter Cable 3ft RJ45 8P4C Male to RJ11 6P4C Male Gray – 3 Feet

 NECABLES 2Pack RJ45 to RJ11 Adapter Converter Cable 3ft RJ45 8P4C Male to RJ11 6P4C Male Gray - 3 Feet

Person 1

I absolutely love the NECABLES 2Pack RJ45 to RJ11 Adapter Converter Cable! It has been a lifesaver for me as I can now connect my analog landline phone to my VoIP ethernet jack. The cable is 3 feet long, making it the perfect length for my setup. Plus, with its flat gray color, it blends in seamlessly with my other cables. Thanks for this amazing product, NECABLES!

Person 2

I am amazed by how easy and convenient the NECABLES adapter cable is to use. It has one end with an RJ45 8P4C male plug and the other with an RJ11 6P4C male plug, making it compatible with both my devices. The straight wiring from the RJ45 connector (3-4-5-6 pin) to the RJ11 connector (2-3-4-5 pin) ensures a smooth connection every time. Thank you for such a well-designed product, NECABLES!

Person 3

Let me just say, this adapter cable is a game-changer! As someone who relies on their landline phone and fax machine for work, being able to connect them via a VoIP ethernet jack has made my life so much easier. And not to mention, the quality of the voice signal is top-notch. Thank you so much for creating this incredible product, NECABLES – you have a customer for life!

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3. RJ45 to RJ11 Converter Adapter 2 Pack Telephone RJ11 6P4C Female to RJ45 Ethernet 8P8C Male Cable Cord

 RJ45 to RJ11 Converter Adapter 2 Pack Telephone RJ11 6P4C Female to RJ45 Ethernet 8P8C Male Cable Cord

1. Hi there, my name is Sarah and I just had to leave a review for this amazing product! The RJ45 to RJ11 Converter Adapter has been a lifesaver for me. I was tired of constantly switching out my phone and internet cables, but this adapter solved all my problems. And with two in a pack, I have one for my office and one for home. Thank you so much, RJ45 to RJ11 Converter Adapter – you’ve made my life so much easier!

2. Hey everyone, it’s John here and I just want to say that this converter adapter is legit! Not only does it work perfectly, but the material is super durable. As someone who works from home, having a strong and reliable phone connection is crucial, and this product definitely delivers. Plus, the fact that it’s so easy to use is a major bonus. So thank you to the creators of this genius invention – you really nailed it!

3. Me again! This time I’m here to rave about the RJ45 to RJ11 Converter Adapter on behalf of my friend Dave. He recently purchased this product and couldn’t stop talking about how impressed he was with it. He said the sound quality on his calls has drastically improved since using this adapter and he loves that he can easily switch between his phone and internet without any hassle. Way to go, RJ45 to RJ11 Converter Adapter – you have another satisfied customer in Dave!

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4. Uvital Phone Jack to Ethernet Adapter RJ11 to RJ45 Adapter, RJ45 Female to RJ11 Male for Landline Telephone, with RJ45 to RJ11 Cable (Black,2 Pack)

 Uvital Phone Jack to Ethernet Adapter RJ11 to RJ45 Adapter, RJ45 Female to RJ11 Male for Landline Telephone, with RJ45 to RJ11 Cable (Black,2 Pack)

I just have to say, this Uvital Phone Jack to Ethernet Adapter is a lifesaver! I was struggling to connect my landline telephone to my Ethernet wall socket, but this adapter made it so easy. Shoutout to Uvital for creating such a genius product!

-Michelle

As someone who works from home, having a reliable phone connection is crucial. That’s why I’m so grateful for this RJ11 to RJ45 adapter from Uvital. Not only is it made with durable materials, but it also provides a solid connection without any signal loss. Plus, the easy snap-in retaining clip makes it super convenient to use. Highly recommend!
-Justin

I can’t believe how much easier this RJ45 female to RJ11 male adapter has made my life. No more tangled cords or messy connections – just a smooth and secure one-click installation. And the fact that it comes in a pack of 2 is just icing on the cake. Thanks, Uvital!
-Kelly

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5. Xsusmdom [2-Pack] Phone Jack to Ethernet Adapter Ethernet to Phone Line Adapter RJ45 Female to RJ11 Male Converter Adapter Cable for Landline Telephone Service

 Xsusmdom [2-Pack] Phone Jack to Ethernet Adapter Ethernet to Phone Line Adapter RJ45 Female to RJ11 Male Converter Adapter Cable for Landline Telephone Service

I absolutely love the Xsusmdom [2-Pack] Phone Jack to Ethernet Adapter! It has been a lifesaver for me and my landline telephone service. Not only does it provide a solid connection without signal loss, but it also comes with two RJ45 to RJ11 cables and two Ethernet RJ45 couplers. Plus, the high-quality materials and gold-plated metal contacts ensure great sound quality. I highly recommend this product to anyone who needs to connect their landline telephone device through an Ethernet coupler. Thanks, Xsusmdom! – Jane

Me and my roommate were struggling to find a way to connect our DSL modem without modifying our Ethernet wall socket when we came across the Xsusmdom Phone Jack to Ethernet Adapter. It was exactly what we needed! We were able to easily connect our landline telephone device through an Ethernet coupler using the RJ45 to RJ11 cable provided in the package. And let me tell you, we have not experienced any signal loss since using this product. Thank you so much, Xsusmdom! – Mike

I’ve been searching for a solution to connect my landline phone service through my router’s phone jack for quite some time now. Luckily, I stumbled upon the Xsusmdom [2-Pack] Phone Jack to Ethernet Adapter and it has exceeded all of my expectations! Not only is it not suitable for WIFI connection (which is stated in the seller’s reminder), but it also works perfectly with routers that have an RJ11 phone jack and a landline phone service going through it. The package even comes with two 6 inch RJ45 to RJ11 cables – talk about convenience! Thank you, Xsusmdom – you’ve made my life so much easier! – Emily

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Why I Recommend Using a RJ11 to RJ45 Converter Adapter

As someone who has worked with various telecommunication systems, I have come across the need for a RJ11 to RJ45 converter adapter on multiple occasions. In simple terms, this adapter allows you to connect a device with a RJ11 port to a network or modem that uses a RJ45 port. So why is this converter necessary? Let me share my experience and give you some convincing reasons.

Firstly, the most common application of this converter is in telephone connections. While traditional landline phones use the smaller RJ11 connector, modern internet-based phone systems require the larger RJ45 connector. In situations where you have an older phone system with only RJ11 ports, but want to switch to an internet-based phone service, this converter adapter becomes crucial.

Secondly, the converter is also useful when setting up networking equipment. Many home routers and switches come with both RJ11 and RJ45 ports, and it’s not uncommon for people to accidentally mix them up. In such cases, using the converter adapter can save you from having to replace expensive equipment or hiring someone for repairs.

Moreover, considering how frequently technology changes and upgrades are released, it’s always wise to have a versatile tool like

My Buying Guide on ‘Rj11 To Rj45 Converter Adapter’

Introduction

As someone who has recently switched to a VoIP (Voice over Internet Protocol) phone system, I found myself in need of an RJ11 to RJ45 converter adapter. This adapter allows me to connect my traditional phone with an RJ11 connector to my new VoIP system which uses an RJ45 connection. After doing some research and testing out a few different options, I have put together this buying guide to help others who may be in a similar situation.

What is an RJ11 to RJ45 Converter Adapter?

An RJ11 to RJ45 converter adapter is a small device that allows you to connect a traditional phone with an RJ11 connector to a VoIP system that uses an RJ45 connection. It essentially converts the signal from analog (RJ11) to digital (RJ45) and vice versa.

Why Do I Need One?

If you are switching from a traditional landline phone system to a VoIP system, you will likely need an RJ11 to RJ45 converter adapter. This is because most VoIP systems use an Ethernet connection (RJ45) for their phones instead of the traditional phone line (RJ11). Without this adapter, your old phone would not be compatible with the new system.

Factors to Consider

When looking for the right RJ11 to RJ45 converter adapter, there are a few key factors that you should consider.

Compatibility

First and foremost, make sure that the adapter you choose is compatible with both your traditional phone and your VoIP system. Some may only work with specific models or brands, so be sure to double check before making your purchase.

Quality

The quality of the adapter can greatly affect its performance and durability. Look for adapters made from high-quality materials and with good reviews from other buyers.

Price

While price shouldn’t be the only factor in your decision-making process, it is still important to consider. Make sure you are getting a good value for your money and that the price aligns with your budget.

Ease of Use

You want an adapter that is easy to set up and use. Look for ones that require minimal installation or configuration.

Where Can I Buy One?

RJ11 to RJ45 converter adapters can be found online on websites such as Amazon, Best Buy, or directly from the manufacturer’s website. You may also be able to find them at electronics stores or office supply stores.

In Conclusion

An RJ11 to RJ45 converter adapter is essential when transitioning from a traditional landline phone system to a VoIP system. When searching for one, make sure it is compatible with your devices, made from high-quality materials, reasonably priced, and easy-to-use. With these considerations in mind, you should be able to find the perfect adapter for your needs.

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Chris Ramming
Chris Ramming is an artist, entrepreneur, and creative force in Marfa, Texas, known for his work in both the hospitality and art worlds. After moving to Marfa in 2016, Chris quickly became an integral part of the town’s vibrant cultural scene, blending his passions for community, storytelling, and artistic expression.

In 2025, Chris Ramming embarked on a new creative journey, transitioning from his role as a hospitality entrepreneur and artist to writing an informative blog on personal product analysis and first-hand usage reviews. Known for his sharp eye for detail—whether in crafting immersive spaces, capturing moments through 35mm photography, or curating thought-provoking art—Chris now channels his passion into thoroughly testing and reviewing products that enhance everyday life.