Are WiFi Extenders Worth It? Your Questions Answered

Last Updated: September 21, 2023By
White wifi extender plugged in

Eliminating dead zones and boosting internet speed across larger spaces are common challenges that many people face with their home or office networks. Small yet powerful devices known as WiFi extenders promise to solve these issues.

But are they truly the silver bullet for your connectivity woes? This question prompts us to explore the mechanics, advantages, and disadvantages of WiFi extenders.

What Are WiFi Extenders?

Sometimes even the most powerful routers can’t cover every nook and cranny of a home or office with a robust WiFi signal. That’s where WiFi extenders come in. But what exactly are these devices, and how do they work?

Definition of a WiFi Extender

A WiFi extender is a device designed to boost the coverage of a wireless network. It acts as an intermediary between a WiFi router and the devices that are too far away to maintain a stable connection with the router.

Essentially, the extender takes the existing WiFi signal from the router and amplifies it before rebroadcasting the boosted signal.

How WiFi Extenders Work

To gain a better grasp of how WiFi extenders function, it’s crucial to know the basic mechanics. When you connect the extender to your existing WiFi network, it creates a new network, often referred to as an “Extended Network.”

Your devices can connect to this extended network when they are out of the range of the primary network provided by your router.

  1. Initial Connection: The extender connects to the WiFi network generated by the router.
  2. Signal Amplification: It captures the incoming WiFi signal and amplifies it using internal hardware.
  3. Rebroadcasting: The extender then rebroadcasts the amplified signal, creating an extended WiFi network.

Basic Features and Components

It’s important to note that not all WiFi extenders are created equal. Here are some standard features you should consider:

  • Frequency Bands: Some extenders are dual-band, meaning they can transmit both 2.4GHz and 5GHz signals. Others may only support one band.
  • Ethernet Ports: Certain extenders come equipped with Ethernet ports, allowing wired connections for devices that require stable, high-speed internet.
  • WPS Button: The WiFi Protected Setup (WPS) button simplifies the connection process, eliminating the need for manual configuration.

The Need for a WiFi Extender

While WiFi routers have evolved to offer faster speeds and better coverage, there are still scenarios where they fall short in delivering a robust and stable connection throughout a space. Whether it’s a multi-story house, a building with solid walls, or an expansive outdoor area, the limitations of a router’s range become evident.

Large Homes with Multiple Floors

One of the most common situations requiring a WiFi extender is a large, multi-story home. A single router often struggles to send a strong WiFi signal to every room, especially those situated on different levels or far from the router.

The materials used in construction, such as concrete or metal, can further degrade the signal quality. A WiFi extender can fill these coverage gaps, ensuring that each room receives a stable and reliable connection.

Buildings with Solid Walls

Buildings made from materials that are naturally resistant to radio wave penetration, such as brick or concrete, pose a particular challenge for WiFi coverage. In these instances, the WiFi signal weakens as it passes through walls, leading to poor connectivity or complete dead zones.

Implementing a WiFi extender can resolve this issue by amplifying and rebroadcasting the router’s signal, effectively negating the barriers created by such construction materials.

Outdoor Spaces Requiring Internet Access

Another scenario where a WiFi extender proves useful is when you need to extend your network to outdoor spaces like a patio, garage, or garden. Conventional routers usually don’t have the range to cover these areas effectively.

Using an extender can amplify the signal to reach these remote locations, thereby enhancing the internet experience during outdoor activities such as barbecues or pool parties.

Limitations of Standard WiFi Router Range

It’s essential to consider the inherent limits of standard WiFi routers. On average, a typical home router has an indoor range of about 50 meters.

However, this distance can be significantly reduced by obstacles and interference from other electronic devices. An extender can step in to extend this range, giving you the freedom to roam without losing connection quality.

Advantages of Using a WiFi Extender

White wifi extender turned on

The decision to add a WiFi extender to your network setup is often fueled by the desire to improve connectivity. Enhancing the range, boosting speeds in remote areas, and adding a layer of flexibility are among the compelling benefits.

Improved Range

One of the most straightforward benefits of a WiFi extender is the expanded coverage it offers. If you’ve identified dead zones or areas with weak signals in your home or office, a WiFi extender can fill in these gaps.

It essentially takes the original signal from your router and amplifies it, allowing you to get a strong WiFi connection in previously hard-to-reach areas.

Increased Speed

While the primary function of an extender is to increase the range, a pleasant side effect is often a boost in speed for devices connecting via the extended network. This is particularly beneficial for users who need high-speed internet in far-off corners of a house or building, enabling smoother streaming, faster downloads, and uninterrupted video calls.

Flexibility and Additional Features

WiFi extenders come in various models with different features that add layers of convenience and utility to your network. For example, some extenders offer multiple Ethernet ports that allow you to establish wired connections for speed-hungry devices.

Others might come with features like a dedicated backhaul channel to communicate with the router, minimizing the risk of network congestion.

Easy Setup

Most WiFi extenders are designed with user-friendliness in mind. With easy-to-follow installation guides and user interfaces, setting up an extender can be a hassle-free experience.

Many modern extenders also support one-touch configurations through WPS buttons, further simplifying the setup process.

Enhanced User Experience

At the end of the day, the cumulative effect of these advantages is an enhanced user experience. No longer will you have to deal with buffering videos, dropped video calls, or interrupted gaming sessions.

The stability and extended coverage provided by the extender can significantly improve the quality of your internet usage.

Drawbacks of Using a WiFi Extender

While the benefits of a WiFi extender can be substantial, it’s also crucial to consider the potential drawbacks. Like any technology, WiFi extenders come with limitations and trade-offs that might not make them the ideal solution for everyone.

Reduced Speed on Extended Network

The impact of WiFi extenders on network speed can differ widely based on several factors, including the quality of the extender and its technological features. Contrary to the notion that extenders invariably reduce network speed, many modern extenders are equipped with features like dual-band or tri-band frequencies, dedicated backhaul channels, and Multi-User Multiple Input Multiple Output (MU-MIMO) to maintain optimal data speeds.

The inclusion of MU-MIMO technology allows for simultaneous communication with multiple devices, which can enhance speed by reducing wait times for data transmission. Consequently, while there’s potential for some speed reduction depending on the model and network conditions, this is not a universal drawback.

Complexity in Network Management

Adding an extender introduces another layer of complexity to your network setup. Once the extender is in place, you may find yourself managing two separate networks—the original network and the extended network.

While most modern extenders are designed to be user-friendly, some individuals may find it confusing to keep track of which devices are connected to which network.

Potential for Increased Interference

WiFi extenders operate on the same frequency bands as your main WiFi network. In crowded or densely populated areas, there’s a potential risk of interference from other networks operating on the same frequencies.

This interference can affect both the primary and extended networks, leading to performance degradation.

Cost Considerations

High-quality WiFi extenders can be relatively expensive. Prices vary widely based on features, brand, and performance capabilities.

Depending on the extender’s specifications, you could be looking at an investment of anywhere from $20 to over $100. It’s important to consider whether the benefits justify the costs, particularly if your coverage needs can be addressed by other, more cost-effective means.

Compatibility Issues

Not all WiFi extenders are universally compatible with all routers. Before purchasing, you’ll need to ensure that the extender you’re considering is compatible with your existing hardware. This might require some technical know-how, including understanding frequency bands, security protocols, and other network specifications.


WiFi extenders present a compelling solution for those grappling with limited network coverage and dead zones. They offer clear benefits, including extended range, potential speed improvements, and added features for a more flexible network.

Yet, these advantages come with their own set of challenges, such as the potential for network complexity and the risk of interference. Thoroughly weighing these pros and cons allows you to tailor your choice to your unique connectivity requirements. 

Ultimately, the right or wrong of adding a WiFi extender to your setup hinges on your specific needs and the challenges posed by your networking environment.