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Don’t Let Wifi Interference Ruin Your Day: Simple Solutions for a Stronger Connection

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A solid and reliable Wi-Fi connection has become essential to our daily lives in today’s digital age. Whether for work, entertainment, or staying connected with loved ones, we rely on Wi-Fi to keep us connected to the world. However, there are times when our Wi-Fi connection can be frustratingly slow or unreliable. This blog post provides a guide to understanding and improving your Wi-Fi connection. From understanding Wi-Fi interference to troubleshooting common problems, this post will equip you with the knowledge and tools to optimize your Wi-Fi experience.

Understanding Wi-Fi Interference: What Causes It and How It Affects Your Connection

Wi-Fi interference refers to external factors that disrupt or weaken the Wi-Fi signal, resulting in a slower or unreliable connection. Various factors, including physical objects, electronic devices, and other nearby Wi-Fi networks, can cause this interference. Wi-Fi interference can lead to slower internet speeds, dropped connections, and poor performance.

One of the most common causes of Wi-Fi interference is physical objects. Walls, floors, and furniture can all obstruct the Wi-Fi signal, reducing its strength and range. Additionally, electronic devices such as microwave ovens, cordless phones, and Bluetooth devices can emit signals that interfere with the Wi-Fi signal. Even other Wi-Fi networks in the area can cause interference, mainly if operating on the same or overlapping channels.

Familiar Sources of Wi-Fi Interference: Identifying and Avoiding Them

  1. Microwave ovens: Microwave ovens operate on the same frequency as Wi-Fi networks, which can cause interference. To minimize this interference, keep your Wi-Fi router away from the microwave and avoid using them simultaneously.

2. Cordless phones, especially older models, can interfere with Wi-Fi signals. If you experience interference when using your cordless phone, consider upgrading to a newer model that operates on a different frequency.

3. Bluetooth devices like headphones and speakers can also interfere with Wi-Fi signals. To minimize interference, try to keep your Wi-Fi router and Bluetooth devices at a distance from each other.

4. Wireless speakers: Wireless speakers can cause interference if they operate on the same frequency as your Wi-Fi network. Choose speakers that operate on a different frequency or use a wired connection instead, if possible.

5. Baby monitors can interfere with Wi-Fi signals, mainly if they operate on the same frequency. If you experience interference, use a baby monitor with a different frequency or a wired connection instead.

Remember, your neighbour’s Wi-Fi will also impact yours. You can use Wi-Fi analyzer apps or software to scan for nearby Wi-Fi networks and identify potential sources of interference. Once identified, you can try changing your Wi-Fi channel to avoid overlapping with other networks or adjust the placement of your router to minimize interference.

The Impact of Distance and Obstacles on Wi-Fi Signal Strength

The distance between your Wi-Fi router and your device plays a significant role in the strength and stability of your Wi-Fi signal. As you move further away from the router, the signal strength decreases, resulting in slower internet speeds and weaker connections. This is because Wi-Fi signals weaken over distance due to factors such as signal attenuation and interference.

In addition to distance, obstacles can also weaken Wi-Fi signals. Walls, floors, and furniture can all obstruct the Wi-Fi signal, reducing its strength and range. Thick walls and floors made of materials like concrete or metal are particularly effective at blocking Wi-Fi signals. Electronic devices like refrigerators and televisions can also interfere with the Wi-Fi signal.

To improve Wi-Fi signal strength, consider the following tips:

  1. Position your router in a central location: Placing your router in a central location can help ensure that the Wi-Fi signal reaches all areas of your home or office. Avoid placing it near walls or other obstacles that can block the signal.

2. Use a Wi-Fi extender or mesh network: If you have a large home or office with multiple floors or rooms, consider using a Wi-Fi extender or a mesh network. These devices can help extend the range of your Wi-Fi signal and eliminate dead zones.

3. Minimize obstacles: Avoid the number of obstacles between your router and your devices. Avoid placing your router near walls, floors, or furniture that can block the signal. Consider rearranging your furniture or using Wi-Fi signal boosters to improve signal strength.

It’s important to remember not to put your extenders or mesh nodes too close to each other or place too many. You can cause situations where your own Wi-Fi can cause interference, and devices may have issues maintaining a connection.

Choosing the Right Wi-Fi Channel: A Quick Guide to Reducing Interference

Wi-Fi channels are like virtual lanes on which Wi-Fi signals travel. In North America’s 2.4 GHz frequency band, 11 channels are available (3 non-overlapping at a 20 MHz channel width). In contrast, in the 5 GHz frequency band, 23 channels are available (6 non-overlapping at an 80 MHz channel width). When multiple Wi-Fi networks operate on the same or overlapping channels, interference can occur, leading to slower internet speeds and weaker connections.

To choose the right Wi-Fi channel and reduce interference, follow these steps:

  1. Use a Wi-Fi analyzer: Use a Wi-Fi analyzer app or software to scan for nearby Wi-Fi networks and identify which channels they are operating on. This will help you determine which channels are less congested and have less interference.

2. Choose a less congested channel: Once you have identified the less crowded channels, log in to your router’s settings and change the Wi-Fi channel to one of the less congested channels. This will help reduce interference and improve your Wi-Fi connection.

3. Consider using the 5 GHz frequency band: If your router supports it, consider using the 5 GHz frequency band instead of the 2.4 GHz band. The 5 GHz band is less crowded and offers faster speeds but has a shorter range than the 2.4 GHz band.

As a rule, stick with channels 1, 6, and 11 for 2.4 GHz Wi-Fi in North America. These are the only non-overlapping channels and can offer the best connection reliability despite the tendency to be congested. Also, picking a channel width of 20 MHz is best for 2.4 GHz networks, and 80 MHz for 5 GHz networks should provide the best connection reliability.

Further, if your router supports having separate SSIDs for the 2.4 GHz and 5 GHz networks, it may be wise. This will allow you to ensure that devices that support 5 GHz will connect to the less congested and faster frequency. Devices that support both aren’t always the best at choosing the 5 GHz network over the 2.4 GHz network, in my experience. Features like band steering can help guide clients; however, some IoT devices may not like it. My Ring Doorbell, for instance, would work for a bit and then fail to connect to my Wi-Fi until I disabled band steering.

Upgrading Your Router: How a Newer Model Can Improve Your Wi-Fi Connection

If you’re still experiencing Wi-Fi connection issues despite optimizing your settings and reducing interference, it may be time to consider upgrading your router. Newer router models often have improved hardware and features that enhance your Wi-Fi connection.

When choosing a new router, consider the following features:

  1. Dual-band or tri-band support: Look for a router that supports both the 2.4 GHz and 5 GHz frequency bands or even a tri-band router that supports two 5 GHz bands. This will allow you to connect devices to the less congested 5 GHz band for faster speeds.

2. Beamforming technology: The router can focus the Wi-Fi signal directly toward connected devices, improving signal strength and range. Look for a router that supports beamforming technology for better performance.

3. MU-MIMO support: MU-MIMO (Multi-User Multiple Input Multiple Output) allows the router to communicate with multiple devices simultaneously, improving overall network performance. If you have multiple devices connected to your Wi-Fi network, look for a router that supports MU-MIMO.

When upgrading your router, follow the manufacturer’s instructions for installation and configuration. Once set up, you should notice an improvement in your Wi-Fi connection and overall network performance.

Using Wi-Fi Boosters and Extenders: When and How to Use Them

Wi-Fi boosters and extenders help extend the range of your Wi-Fi signal and eliminate dead zones. They work by receiving the Wi-Fi signal from your router and then rebroadcasting it to areas with weak or no signal. Wi-Fi boosters and extenders can benefit large homes or offices with multiple floors or rooms.

When considering using Wi-Fi boosters or extenders, keep the following tips in mind:

  1. Placement is critical: Place the Wi-Fi booster or extender in an area where the Wi-Fi signal from your router is still strong. This will ensure the booster or extender can receive a strong signal and rebroadcast it effectively.

2. Avoid daisy-chaining: Avoid daisy-chaining multiple Wi-Fi boosters or extenders together, as this can result in a loss of signal strength and slower internet speeds. Instead, use a mesh network system for seamless roaming and better performance.

3. Consider a mesh network system: A mesh network system consists of multiple Wi-Fi nodes that work together to provide seamless Wi-Fi coverage throughout your home or office. Unlike traditional Wi-Fi boosters or extenders, mesh networks create a single, unified Wi-Fi network, eliminating the need for multiple network names and passwords.

The Benefits of Wired Connections: When Ethernet is a Better Option

While Wi-Fi offers convenience and flexibility, there are times when a wired connection is a better option. Ethernet, also known as wired or LAN (Local Area Network) connection, offers several benefits over Wi-Fi:

  1. Faster and more stable connection: Ethernet connections are generally faster and more stable than Wi-Fi connections. This is because wired connections are not susceptible to interference or signal loss, resulting in a more reliable and consistent connection.

2. Lower latency: Latency, or ping, refers to the time it takes for data to travel from your device to the destination server and back. Ethernet connections typically have lower latency than Wi-Fi connections, making them ideal for online gaming and real-time applications.

3. More secure: Wired connections are more secure than Wi-Fi connections. Since Ethernet connections require physical access to the network, it is more difficult for unauthorized users to access your network.

While wired connections offer several benefits, using a wired connection may not always be practical or feasible. Optimizing your Wi-Fi connection using the earlier tips can help improve your Wi-Fi experience. As a rule of thumb, if a device can be wired, and it is pretty easy to do, I will. The number of clients on your Wi-Fi network will affect its performance.

Future-Proofing Your Wi-Fi: Preparing for the Next Generation of Wireless Technology

As technology continues to evolve, so does Wi-Fi. The next generation of wireless technology, known as Wi-Fi 6, Wi-Fi 6E or Wi-Fi 7, promises faster speeds, lower latency, and better performance in crowded environments. To prepare for the next generation of wireless technology, consider the following tips:

  1. Upgrade to a Wi-Fi 6 router: Wi-Fi 6 routers are backward compatible with older devices, so even if you don’t have Wi-Fi 6 devices yet, upgrading to a Wi-Fi 6/6E/7 router can still provide benefits. Look for routers that support Wi-Fi 6 and have features like OFDMA (Orthogonal Frequency Division Multiple Access) and MU-MIMO.

2. Replace older devices: Older devices may not support Wi-Fi 6/6E/7, so consider replacing them with newer devices. This will ensure you can take full advantage of the faster speeds and improved performance offered by Wi-Fi 6/6E/7.

3. Stay up-to-date with Wi-Fi technology: Keep an eye on the latest developments in Wi-Fi technology and regularly check for firmware updates for your router. Staying up-to-date with Wi-Fi technology will help ensure you get the best possible performance from your Wi-Fi network.

It’s important to note that the 6 GHz band is now available with Wi-FI 6E and Wi-Fi 7. If you are investing in new hardware, investing in the latest and greatest for future-proofing may be best. However, you likely won’t have many devices that support the 6 GHz band in your house already.


A strong and reliable Wi-Fi connection is crucial in today’s connected world. From work to entertainment, we rely on Wi-Fi to keep us connected and productive. You can ensure a solid and reliable Wi-Fi connection by understanding Wi-Fi interference, identifying and avoiding familiar sources of interference, optimizing your Wi-Fi settings, and staying up-to-date with Wi-Fi technology. So, follow the tips and techniques outlined in this blog post to optimize your Wi-Fi experience and enjoy seamless connectivity.

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