How can I improve my Wi-Fi at home?
The most effective way to improve Wi-Fi at home is to optimize the router's location: place it centrally, elevated, and out in the open, away from walls, windows, and sources of interference such as microwaves or baby monitors. If the signal still does not reach every room, a repeater or access point can help. A faster internet plan, however, does not fix a Wi-Fi problem.
Where is the best place to put my router?
The router should ideally be placed centrally in the home, elevated, and out in the open. Wi-Fi transmits data using radio waves that spread in all directions and lose strength with every wall, ceiling, and piece of furniture they pass through. The router's location therefore has a greater impact on range than the device's performance alone.
| Recommendation | Reason |
| Place it centrally | From a central location, the signal can reach all rooms more evenly instead of having to pass through half the home. |
| Place it higher up | On a shelf or sideboard, the signal can spread more freely than from the floor, where furniture can weaken it. |
| Keep it out in the open | A router inside a cabinet or behind furniture loses signal strength right at the source. |
| Keep it away from windows | Near a window, a large portion of the signal is transmitted outdoors and is lost for use inside the home. |
| Use a middle floor, not the basement | Reinforced concrete ceilings strongly block radio waves. From a middle floor, the signal can spread both upward and downward. |
Which devices can interfere with my Wi-Fi?
Devices that use the same radio frequencies as the router can interfere with Wi-Fi. They compete for the same frequencies and may weaken the signal. Keep these common sources of interference away from the router:
- Microwave: often uses the same frequency range as Wi-Fi while operating.
- Cordless phone: the base station can interfere with reception if it is placed directly next to the router.
- Baby monitor: older models in particular can affect the network by competing for radio frequencies.
- Metal and concrete: radiators, metal shelving, and solid walls can block radio waves.
Is the 5 GHz band better than the 2.4 GHz band?
The 5 GHz band is faster and usually less congested, while the 2.4 GHz band has greater range. Modern routers transmit on both bands at the same time. The 2.4 GHz band is more widely used and therefore tends to be more crowded because many devices use the same frequency range. The 5 GHz band provides higher speeds and less interference, but it does not penetrate walls as well.
For devices near the router, such as in the same room, 5 GHz is usually the better choice. For rooms farther away and behind several walls, 2.4 GHz may provide a more stable connection. Many routers select the appropriate band automatically.
What can I do if the signal does not reach every room?
If the router cannot be placed in an ideal location, a repeater or access point can extend the network. Both increase coverage, but they work differently:
| Device | How it works | Best suited for |
| Repeater | Receives the existing Wi-Fi signal and retransmits it. Easy to set up and does not require a network cable. | individual areas with weaker coverage |
| Access Point | Connects to the router with a network cable and creates its own stable Wi-Fi network. | permanently weak areas such as a home office or upper floor |
When buying a device, make sure it is compatible with your router. Many current devices support dual-band operation and work on both 2.4 GHz and 5 GHz, which can provide higher speeds and a more stable network.
How can I check whether my Wi-Fi problem is caused by the internet connection?
Measure your speed using the Green speed test, first with a network cable connected directly to the router and then over Wi-Fi in different rooms. If you get a higher or the expected speed over the wired connection but not over Wi-Fi, the cause is probably your home network rather than your internet plan. In that case, a faster plan will not improve Wi-Fi range.
If you do not reach the expected speed even over a wired connection, it may be worth reviewing your internet plan. You can see which connection type and speed are available at your address on Green's internet plan page.
Green also offers home installation for internet to help set up your router, Wi-Fi, and home network.
FAQ
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Will a faster internet plan fix my Wi-Fi problem?
Usually not. Wi-Fi coverage depends on the router, its placement, walls, and sources of interference, not on the bandwidth of your internet plan. If you receive the full speed over an Ethernet cable but not over Wi-Fi, the problem is in the home network. A higher-speed plan only helps if the internet connection itself is too slow.
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What is the difference between a repeater and an access point?
A repeater receives the existing Wi-Fi signal and rebroadcasts it. It is relatively easy to set up and does not require an Ethernet cable. An access point connects to the router by Ethernet cable and creates its own stable Wi-Fi network. For areas with consistently weak coverage, such as a home office, an access point is usually the more stable solution.
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Which frequency band should I connect my device to?
Near the router, the 5 GHz band usually provides higher speeds and less interference. For rooms farther away and behind several walls, the longer-range 2.4 GHz band may be more stable. Many modern routers select the appropriate band automatically.