How to increase your router's Wi-Fi coverage: from simple settings to professional solutions

A weak Wi-Fi signal in distant rooms, constant connection drops, or "dead zones" where the internet disappears completely are a familiar problem for many users. Even modern routers with Wi-Fi support Wi-Fi 6 They don't always cover large areas, especially if the signal path is blocked by thick walls, furniture, or appliances. In this article, we'll look at 10 Proven Ways to Increase Your Coverage, from free settings to purchasing additional equipment.

It's important to understand: there's no one-size-fits-all solution. The effectiveness of each method depends on the room layout, wall materials, the number of connected devices, and even the location of neighboring networks. We analyzed real-world tests and user reviews to gather only effective recommendations—without myths about "magic programs" or dubious life hacks.

We'll start with the simplest methods that don't require any financial investment and gradually move on to more complex solutions. If you rent an apartment or aren't ready to spend money on new equipment, the first four sections are definitely for you.

1. Optimal router placement: where to place it so the signal reaches all rooms

Mistake #1, made by 80% of users, is installing the router in the most inconvenient location. Typical scenarios: hidden in a closet next to the provider's modem, stands on the floor behind the TV or fixed to the wall in the corner of the apartmentEven the most powerful router will perform 30–50% worse in such conditions.

The correct placement is determined by three principles:

• 📍 Center of the room — the router should be located as close to the geometric center of the apartment/house as possible. If coverage is needed in a two-story house, place it on the first floor near the stairs.
• 📶 Height 1.5–2 meters — the Wi-Fi signal extends not only sideways but also downwards and upwards. Ideally, place the router on a shelf, nightstand, or mount it on the wall.
• 🚫 Minimize obstacles — Avoid thick concrete walls, metal objects (refrigerators, radiators), aquariums, and mirrors. They absorb or reflect the signal.

Run a simple test: take a smartphone with a Wi-Fi analysis app installed (for example, WiFi Analyzer for Android or NetSpot (for iOS) and walk around your apartment. Pay attention to the signal levels in different areas. If the signal drops to -70 dBm or lower in any room, the router definitely needs to be moved.

⚠️ Caution: Avoid placing the router near microwaves or cordless phones that use the 2.4 GHz frequency. They create interference that can reduce Wi-Fi speed by 2-3 times.

2. Changing the Wi-Fi channel: how to avoid interference from neighboring networks

If you live in an apartment building, your Wi-Fi network competes for airtime with dozens of other networks. By default, most routers select a channel automatically, but this algorithm is far from perfect. As a result, devices can "step on each other's toes," leading to slowing down And reduction of coverage radius.

The solution is to manually select the least congested channel. Here's how:

1. Install a network scanning application on your smartphone (for example, WiFi Analyzer).
2. Run a scan and see what channels your neighbors are using. In range 2.4 GHz There are 13 channels available, but only 3 do not overlap: 1, 6 and 11. 5 GHz There are more channels, but they have a smaller range.
3. Select a channel with minimal load (ideally, where the signal level of neighboring networks is below -80 dBm).
4. Go to your router settings (usually at 192.168.0.1 or 192.168.1.1) and in the section Wireless or Wi-Fi change the channel.

For the range 5 GHz You can also enable the function DFS (Dynamic Frequency Selection), if supported by your router. This will allow you to use channels typically reserved for radar and weather services, but often available in residential areas.

⚠️ Note: In some countries (e.g., Russia), using channels 12–14 in the 2.4 GHz band is prohibited. Check local regulations before setting up.

3. Updating the firmware and adjusting the transmission power

Manufacturers regularly release firmware updates for routers that can improve connection stability and increase the transmit powerHowever, many users never update their software, instead using outdated, buggy versions.

How to update firmware:

• 🔄 Log in to your router's web interface (the address is on the device's sticker).
• 🔍 Find the section System Tools, Administration or Software update.
• 📥 Click “Check for updates” or download the latest version from the manufacturer’s website (for models TP-Link, ASUS, Keenetic and others).
• ⚠️ Do not turn off your router during the update - this may brick it.

Also, in the settings of many routers there is a parameter Transmit Power (Transmission Power). By default, it's set to 100%, but sometimes manufacturers lower it to save energy. Check this setting in the section Wireless Settings and set the maximum value.

What should I do if my router won't turn on after updating?

If your router stops responding after an update, try resetting it to factory settings using the button Reset (Hold for 10-15 seconds). If this doesn't help, contact the manufacturer's support team, specifying the model and firmware version.

For advanced users: some firmware (eg. DD-WRT or OpenWRT) allow you to increase the transmit power above the standard values. However, this may be illegal in your country and may cause the device to overheat. We do not recommend using this method unless absolutely necessary.

4. Using external antennas and their correct orientation

Many routers come with removable antennas, but users rarely consider their proper orientation. Antennas come in two types:

• 📡 Omnidirectional — distribute the signal evenly in all directions (suitable for covering one plane, for example, one floor).
• 🎯 Directed - focus the signal in one direction (ideal for communication between two points, for example, between houses).

If your router has two or more omnidirectional antennas, position them at an angle 90–120 degrees One antenna should be vertical, the other horizontal. This will help distribute the signal evenly both vertically and horizontally.

To enhance the signal you can purchase high gain antennas (For example, TP-Link TL-ANT2408CL with a gain of 8 dBi). However, remember:

• ✅ Antenna gain increases reception and transmission signal, but does not create it “out of nothing”.
• ❌ Antennas that are too powerful (more than 9 dBi) can disrupt the network balance and degrade the connection for nearby devices.

⚠️ Important: Before purchasing antennas, check if your router supports them. Some models (for example, Xiaomi Mi Router) have non-removable antennas.

5. Configuring QoS and limiting bandwidth-hungry devices

The quality of Wi-Fi coverage directly depends on network loadIf one device consumes all the bandwidth (for example, a torrent client or 4K streaming), the others may not have enough air. As a result, speed drops and coverage is reduced due to router overload.

The solution is to enable the feature QoS (Quality of Service), which prioritizes traffic. QoS settings are available in most modern routers:

1. Go to the section QoS or Bandwidth Control.
2. Set the maximum speed for each device (for example, limit torrents to 50 Mbps).
3. Prioritize important devices (smart TV, work laptop) over unimportant ones (smartphone for background, smart light bulbs).

It is also useful to turn off background activity:

• 📱 On smartphones, disable automatic app updates over Wi-Fi.
• 💻 On your PC, prevent Windows updates from downloading in the background.
• 🌐 Disable this function in your router Multicast (if you do not use IPTV).

Important note: If your network has more than 20 connected devices (including a smart home), even a powerful router may not be able to handle it. In this case, dividing the network into two—main and guest—or purchasing a router with support will help. MU-MIMO.

6. Using a repeater or Mesh system

If all previous methods haven't yielded sufficient results, it's time to consider purchasing additional equipment. The most popular solutions are:

• 🔄 Repeater — captures your router's signal and retransmits it further. Suitable for small "dead zones." Cons: the speed of a retransmitted signal drops by half.
• 🕸️ Mesh system — multiple access points operating as a single network. Ideal for large homes. Plus: seamless switching between access points (roaming).
• 📡 Access point (AP) — connects to the router via cable and creates a new coverage zone. The best value for money solution.

How to choose:

• For an apartment up to 100 m², an inexpensive repeater will be enough (for example, TP-Link RE305).
• For a house of 150–300 m², a Mesh system is suitable (ASUS ZenWiFi, Keenetic Air).
• For an office or home with thick walls - an access point with support PoE (Ubiquiti UAP-AC-LITE).

When setting up a repeater or Mesh system:

Place the repeater at the edge of the main router's coverage area (the signal should not be weaker than -65 dBm)

Use the same SSID and password as your main router (for seamless switching)

Disable DHCP on the repeater if it does not support bridge mode.

Update the repeater firmware before setting up-->

⚠️ Note: Some repeaters create a separate network (for example, YourWiFi_EXT). In this case, devices will not automatically switch between the router and the repeater, which may cause connection interruptions.

7. Transition to modern Wi-Fi 6 and 6E standards

If your router is older than 5 years, it most likely operates according to the standard Wi-Fi 5 (802.11ac) or even Wi-Fi 4 (802.11n)Modern standards Wi-Fi 6 (802.11ax) And Wi-Fi 6E not only increase speed, but also improve coverage due to:

• 🔋 BSS Coloring - reduces interference from neighboring networks.
• 📶 TWT (Target Wake Time) — optimizes energy consumption by devices, which reduces the load on the network.
• 🌐 6 GHz support (in Wi-Fi 6E) - additional range with minimal interference.

Examples of routers with Wi-Fi 6:

Before purchasing, check whether your devices (smartphones, laptops) support Wi-Fi 6. Otherwise, you won't notice any increase in speed or coverage.

8. Alternative solutions: PLC adapters and 4G/5G routers

If running cables or setting up Wi-Fi is not possible, consider alternative technologies:

• 🔌 PLC adapters (Powerline) — transmit the internet signal through electrical wiring. Speeds up to 1200 Mbps, but are highly dependent on the quality of the wiring. Example: TP-Link AV1200.
• 📶 4G/5G router If your main internet connection is weak, you can use a mobile network. Suitable for summer cottages or temporary housing. Example: Huawei B535.
• 🛜 Directional antenna — for communication between remote buildings (for example, a house and a garage). Requires line of sight.

PLC adapters are a good option for older homes with thick walls where Wi-Fi coverage is poor. However, they are sensitive to:

• ⚡ Voltage surges (use a surge protector).
• 🔌 Extension cords and multiple adapters (connect directly to the outlet).
• 🏠 Wiring length (maximum 300 meters, in reality - up to 100).

⚠️ Please note: Mobile network coverage and plan details are subject to change. Before purchasing a 4G/5G router, please check your carrier's coverage area in your personal account.

FAQ: Answers to Frequently Asked Questions

Can you increase Wi-Fi coverage using aluminum foil or cans?

In theory, yes: the foil reflects the signal, creating a directional antenna. However, in practice, this produces minimal effect (a gain of 1–3 dB) and requires precise calculation of the reflection angle. While this can be a temporary solution, it's better to buy an inexpensive external antenna.

Why did the speed become lower after installing the repeater?

A repeater retransmits the signal, so its maximum speed will be half that of the main router (due to transmission and reception losses). For example, if your router delivers 300 Mbps, you'll get ~150 Mbps on a repeater. To avoid this, use a mesh system or a wired access point.

How to check what is interfering with the Wi-Fi signal?

Use network analysis applications (WiFi Analyzer, NetSpot). They will show:

• Signal level in dBm (optimally: from -30 to -60 dBm).
• Channels are overloaded with neighboring networks.
• Presence of interference from other devices (microwaves, Bluetooth speakers).

You can also temporarily disconnect all devices from Wi-Fi and check if the coverage improves—it’s possible that one device is the culprit.

Should I turn off 5GHz to improve 2.4GHz coverage?

No, that won't help. The 2.4 GHz and 5 GHz bands operate independently of each other. Disabling 5 GHz will simply force all devices to switch to 2.4 GHz, which could worsen speed due to overload. It is better to configure both ranges optimally or use Band Steering (automatic switching of devices between ranges).

Can I use an old router as a repeater?

Yes, many routers support the mode Repeater or BridgeTo do this:

1. Update the firmware of your old router.
2. Go to settings and select repeater mode.
3. Connect to the main network by entering its SSID and password.

Disadvantage: Not all routers work well in this mode, stability issues may occur.