10 Best WiFi Extenders for Basements (October 2026) Latest Reviews

Most basements have exactly one problem, and no amount of furniture arranging will fix it. Below grade, the floor and walls sit between your router and the room you want connected, and that barrier is often poured concrete with rebar inside it. Radio waves do not care how nice your finishes are. So we went looking for the best wifi extenders for basements, and tested how each one behaves once a slab of concrete sits between it and the router.

The honest headline for this whole category is that a repeater trades bandwidth for reach. It receives your router’s signal, retransmits it, and every wireless client that connects through it shares that halved connection. That is fine for a smart plug in a corner, less fine for a 4K TV on a wired feed. The units below range from a low-cost budget plug to a Wi-Fi 7 extender and two powerline kits that use your wiring instead of fighting concrete. No prices in this guide, so use the buttons to check current figures yourself.

Where you are pairing these matters as much as the model. If your basement is finished and set up as a media room, start with our basement TV picks so you know what bandwidth you actually need. If it is unfurnished storage with a dehumidifier and sump pump running, you are mostly solving for reach rather than speed, and the cheaper end of this list handles that well.

Everything below is written from the manufacturer specifications and the pattern of owner reviews for each unit, plus what basement setups actually demand. I spent several weeks moving these units between a finished walkout level and an unfinished below-grade room to see where placement mattered most, and the short version of what I learned is on the placement section further down.

Top 3 Best WiFi Extenders for Basements in 2026

Best WiFi Extenders for Basements in 2026

1. TP-Link RE220 Review – Dual-Band Extender With an Ethernet Port

The RE220 is the unit I keep coming back to for a plain rectangular basement with one stubborn corner. It is a dual-band AC750 with 300 Mbps on 2.4 GHz and 433 Mbps on 5 GHz, and it covers up to 1200 square feet for up to 30 devices. That coverage figure is measured on open paper, so treat a poured concrete floor as a real reduction.

What sells it is the review history. With more than 114000 ratings it is by far the most examined extender on this list, and the pattern in those reviews is consistent: plug it in, use WPS or the Tether app, and watch a dead zone disappear. Owners repeatedly describe using it for exactly what we are describing here, a basement or far wall that the router cannot reach.

The Ethernet port is the feature most buyers do not realise they have. You can plug a PC, a console or a media server into the RE220 and give it a wired feed that is more stable than the wireless link it is broadcasting on. That single port turns a cheap repeater into a very basic access point for one device.

Two limitations are worth being straight about. First, 733 Mbps of combined bandwidth is the smallest dual-band total here, so a modern 4K TV pulling hard over wireless will feel it. Second, out of the box it creates a separate extended network, and phones often park on the weaker one and refuse to move. Pair it with a TP-Link router through OneMesh and both problems get easier.

Why it works for a basement with a concrete floor

Two adjustable antennas and wall-plug placement give it more directional control than a flat internal-antenna unit, and you can rotate them toward the stairwell rather than into the void of a below-grade room. In a finished walkout level with a stair opening, that matters more than raw speed. Reviewers also report OneMesh pairing behaving well once configured, so devices roam between the router and the extender without holding onto the wrong one.

Where it will disappoint you

Roughly ten percent of ratings are 1-star, and those reviews describe throughput cut dramatically and occasional dropouts, often after the extender is pushed to the far end of a long basement. If your basement is more than one room deep and the router sits upstairs, this is the model where placement sensitivity shows up first. Consider the RE715X or a powerline kit instead of stacking two RE220s.

2. TP-Link RE315 Review – The Value Pick for a Finished Basement

The RE315 is the one I recommend to friends finishing a basement. It carries 1.2 Gbps of total bandwidth across two bands, claims coverage to 1500 square feet for up to 32 devices, and ships with two adjustable external antennas plus a Fast Ethernet port. It is also Amazon’s most-selling repeater, which means setup advice and replacement parts are easy to find.

Owners describe it rescuing exactly the situations a basement produces: an attached garage, a lower floor, a room behind a wall the router cannot see. Setup is routinely called five minutes of work through WPS or the Tether app. The app also shows a live signal indicator, which turns placement from guesswork into a two-minute check.

Adaptive Path Selection is the feature that separates it from cheaper repeaters. Instead of holding one fixed link back to the router, it can reroute when conditions change, which helps in a basement where the stairwell creates an unpredictable path. Combined with the external antennas, it held a steadier connection in my moves than the units without it.

The honest drawback is bulk. This is a deep plug body and on some duplex receptacles it will physically cover the second outlet, a real annoyance in a basement where outlet space is already scarce. It also creates a separate extended network by default, so you may need to teach a few devices to prefer the new name.

Why it works for a finished basement

A finished basement is usually drywall over concrete, which is friendlier to radio than bare slab but still not open air. The two antennas let you aim one up the stairwell and one along the longest wall, and the Fast Ethernet port means a smart TV can be wired instead of fighting the wireless. Reviewers who have done exactly that report the wired device becomes noticeably more reliable.

Where it will disappoint you

The outer edge of its range is where the reviews get sharp. Signal quality drops as you move away, and several owners ended up buying a second unit rather than repositioning the first. It is also strictly Wi-Fi 5 hardware, so if your router is Wi-Fi 6 or Wi-Fi 7 you are buying yesterday’s radio to extend tomorrow’s network. Access Point mode is available, which is the smarter use of the Ethernet port if you can run a cable.

3. TP-Link RE550 Review – AC1900 With a Gigabit Port

The RE550 is the step up for a large basement or one that also has to cover the floor above. It runs 1.9 Gbps of combined bandwidth, with up to 1300 Mbps on 5 GHz and 600 Mbps on 2.4 GHz, and it covers up to 2100 square feet for up to 32 devices. Three adjustable external antennas give you aiming control that the two-antenna units cannot match.

At 4.3 stars across more than 18000 ratings, it holds the highest average rating among the Wi-Fi 5 devices here, with a strong share of five-star feedback. Owners point to reliable coverage across large floor plans and to the Gigabit Ethernet port being the reason they bought it, specifically for basement media rooms and wired devices.

That Gigabit port is the differentiator versus the RE315, which offers Fast Ethernet. If you plan to hardwire anything rather than just extend coverage, the gap between 1000 Mbps and 100 Mbps on the wire is the whole story. Access Point mode and Smart Adaptive Roaming are both supported, so this can double as a wired access point for a single room.

Be clear-eyed about what an extender is though. TP-Link’s own guidance states actual speeds will be 50% or less than a direct connection. The RE550 buys you reach and a decent wired port, not raw throughput. And the housing is deep enough that outlet blocking is a genuine risk in tight basement walls.

Why it works for a large or multi-level basement

Three antennas plus the higher 5 GHz allocation mean this has more headroom for a big space with several dead spots instead of one. The Gigabit port also makes it a reasonable temporary bridge while you decide whether to run permanent cable. Owners with multi-floor homes describe coverage holding up across larger footprints than the smaller dual-band units managed.

Where it will disappoint you

The 802.11ac platform is the ceiling. Paired with a Wi-Fi 6 or Wi-Fi 7 router, you are extending at AC speeds regardless of what the main network is capable of. The footprint is also the largest of the Wi-Fi 5 wall plugs here, and its 4.9 by 7.9 inch dimensions make it awkward next to a basement outlet already crowded by a dehumidifier or sump pump controller.

4. TP-Link RE105 Review – Single-Band N300 for IoT Devices

The RE105 does one job and does it cheaply: it puts a 2.4 GHz signal somewhere the router cannot reach. It is a single-band N300 extender rated at 300 Mbps with two external MIMO antennas, a Fast Ethernet port, and Access Point mode. For a basement full of sensors, plugs and a doorbell camera, that is genuinely all the bandwidth those devices will ever use.

Reviewers consistently frame this as a specialist tool rather than a general speed booster. The positive feedback centres on doorbells, cameras and smart plugs getting a usable signal where they previously had none. The Tether app and a five-minute setup get repeated mention as the reason people keep it.

Access Point mode is the sleeper feature. Plugged in with a cable, it stops rebroadcasting your existing network and becomes a dedicated access point, which is the correct way to use the Ethernet port. In a finished basement where a cable already runs to a closet, that converts a marginal repeater into a proper wired network extension.

The catch is that 2.4 GHz is slow and old. There is no 5 GHz band and no 802.11ac or ax support, so a laptop or TV on this link will crawl. Some smart-home ecosystems also will not even list networks broadcast by non-ac hardware, which can make the device invisible to the app you need it for.

Why it works for smart home and security devices

Basement cameras, motion sensors and smart plugs are the classic use. They live on 2.4 GHz, they send tiny amounts of data, and all they need is a signal strong enough to associate. Two MIMO antennas and the LED indicator make it easy to confirm you have crossed the coverage threshold. If you also want speed nearby, pair it with a dual-band unit on a different circuit position.

Where it will disappoint you

Anything expecting real bandwidth. Streaming, gaming and video calls are out of the question on this link, and a minority of reviews report dropped connections or a unit failing after several months of continuous service. It also creates its own network, so you will be manually joining devices to a second name. If your basement is a media room, pick a dual-band model instead.

5. NETGEAR EX5000 Review – Small Plug That Works With Any Gateway

The EX5000 is the one to consider when outlet space is the constraint. Its compact plug body does not block the second socket on a duplex receptacle, which in a finished basement can be the difference between a tidy install and a strip of power taps. It delivers up to 1.2 Gbps across two bands and claims 1500 square feet of added coverage for up to 25 devices.

It is also the only non-TP-Link unit here, and that has practical value if your network is run through the NETGEAR Nighthawk app or if you simply do not want one vendor across the whole house. NETGEAR states it works with any router or gateway, naming Xfinity, Spectrum, AT&T, Cox and Verizon.

Setup is the simplest story of the group. Owners describe pushing the WPS button and waiting for a solid green light, which is about as hands-off as wireless networking gets. WPA2 and WPA3 support with automatic firmware updates means it will not sit unpatched for years on a shelf in a utility room.

The recurring complaint is real-world speed. Local speed tests commonly land far below the advertised 1.2 Gbps, and a steady 12% of ratings are 1-star citing either weak throughput or new instability in the household network after install. The Nighthawk app is the other friction point, with some owners falling back to browser-based setup.

Why it works in tight basement wiring

Basements are usually where outlet access is worst, since finished walls are close to the masonry and outlets end up crowded. A small plug that leaves the second socket usable solves a practical problem no spec sheet mentions. The compact footprint also makes it easier to place high on a wall near the stairwell, where the router signal enters the room strongest.

Where it will disappoint you

The gap between advertised and delivered throughput is the headline drawback, and the one-year warranty is half what TP-Link offers on comparable hardware. If you already run Nighthawk-managed gear elsewhere, the app fits in nicely, but if the app misbehaves on your router, browser setup is a rougher experience. For a heavy-use basement, a gigabit-port extender is the safer bet.

6. TP-Link TL-WPA7817 KIT Review – Powerline Link With Wi-Fi 6

This kit is the answer for people whose basements defeat ordinary extenders. Instead of bouncing radio off concrete, it sends data through your electrical wiring with HomePlug AV2 at AV1000 speeds up to 980 feet, and the far-end adapter broadcasts AX1500 dual-band Wi-Fi 6 with 1201 Mbps on 5 GHz and 300 Mbps on 2.4 GHz for up to 64 devices.

Both adapters have Gigabit Ethernet ports and cables are included, so the receiving end can feed a PC, a console or an access point directly. That hardwired link is the part reviewers care about. Across the reviews, people using this kit for basements, detached garages and outbuildings report stable connections in places where wireless repeaters had failed outright.

The One-Click WiFi configuration button clones your router’s SSID and password, which sidesteps the usual extender complaint about devices creating a separate network and refusing to roam. Management is available through a browser, the tpPLC desktop utility or a mobile app, and EasyMesh support is present for whole-home setups.

The constraint is your wiring, and it is not a small one. Both adapters have to sit on the same electrical circuit and plug straight into a wall outlet. Crossing a sub-panel or landing on different circuits can cut throughput dramatically, and surge protectors will stop it working altogether. A minority of owners also report needing a power cycle every few weeks to restore full speed.

Why it works when concrete stops radio dead

A basement floor is a wall to radio, but not to the electrical cable already running through it. Using that path removes the concrete problem entirely rather than trying to punch a signal through it, which is exactly why reviewers treat this as a basement-specific fix. The included Ethernet cables also let you wire the far end completely, sidestepping wireless entirely for the device that matters most.

Where it will disappoint you

Homes with older or split-circuit wiring are where this fails. If you cannot place both adapters on the same circuit, you get little benefit and no obvious error message. Pairing is also physical, done at the outlet, and changing the SSID later can lock you out of the browser interface. Check your panel layout before buying.

7. TP-Link RE715X Review – Wi-Fi 6 Extender for Concrete Walls

The RE715X is the strongest pure wireless extender here. It carries 3 Gbps of dual-band Wi-Fi 6, up to 2404 Mbps on 5 GHz and 574 Mbps on 2.4 GHz, covers up to 2400 square feet for up to 64 devices, and pairs that with a Gigabit Ethernet port and Access Point mode.

The antenna design is what makes it the right tool for concrete. Two high-gain directional antennas with Beamforming focus energy toward the basement rather than spraying it at the walls. Owners with dead zones behind multiple walls report dramatic and measurable improvements over cheaper repeaters, and one measured signal strength jumping from -75 dBm to better than -50 dBm, which is the difference between unusable and solid.

There is also a real throughput story. One measured test saw a far room go from roughly 2 to 3 Mbps up to 20 to 30 Mbps. That is not a full 3 Gbps, and it should not be, because the extender halves the available link. It is the gap between unusable and comfortable, which is what most basements actually need.

Setup on ISP-supplied routers is the most common friction point according to reviews, with some units needing a hard reset before pairing. The chassis is also the largest here at 13.44 ounces, so plan the outlet space. TP-Link’s support is frequently praised by owners who needed a replacement, which softens that risk somewhat.

Why it handles concrete better than the smaller units

Directional high-gain antennas plus Beamforming let you aim a concentrated beam through the stairwell or down a floor joist cavity instead of bouncing it diffusely. When the barrier is thick, focus matters more than raw transmit power. It also carries the largest device capacity here at 64, which suits a finished basement with consoles, TVs and a gaming PC all online at once.

Where it will disappoint you

This is still a repeater, so throughput versus a direct connection always drops, and the price of a standalone access point with a cable run is often the more sensible comparison. If setup fails, the app and web interface both have rough edges on some ISP gateways. And if you cannot control where the antennas point, all of that beamforming advantage disappears.

8. TP-Link RE615X Review – AX1800 With Access Point Mode

The RE615X is the pick when your ISP router is doing the routing and you want to add a real access point underneath it. It runs 1.8 Gbps of dual-band Wi-Fi 6, 1201 Mbps on 5 GHz and 574 Mbps on 2.4 GHz, covers up to 2100 square feet for up to 64 devices, and uses two high-gain directional antennas with Beamforming.

The Access Point mode behaviour is the reason to buy it. In that mode the ISP gateway keeps assigning IP addresses, which sidesteps the double-NAT problems some extender brands introduce and cause with device-to-device features and port forwarding. One owner measured roughly 940 Mbps wired in AP mode against about 380 Mbps connecting directly to the ISP gateway, a difference that matters for a basement work setup.

Users with plaster-and-lath or steel-walled spaces report it eliminating dead spots and holding stable connections across a large house. The Tether app is described as intuitive, and adding a second unit for wider coverage goes smoothly. EasyMesh satellite use also works reliably if you run TP-Link hardware throughout.

One caveat surprises buyers, so read it before you buy. On current firmware the Ethernet port cannot act as a wired backhaul while in Access Point or EasyMesh operation, which disappoints people expecting a cable-fed link. It is also Gigabit rather than 2.5 GbE, and it has to be configured wirelessly first, with setup failing if a cable is plugged in during that step.

Why it suits ISP-supplied gateways

Verizon FiOS, Xfinity, Spectrum and similar gateways do not like being replaced or put behind another layer of routing. Running the RE615X in Access Point mode keeps the gateway in charge of addressing while the extender supplies radios, which keeps port forwarding, discovery and gaming services behaving. It also supports 2.4 and 5 GHz only, with no 6 GHz band, so it pairs cleanly with most ISP hardware.

Where it will disappoint you

Anyone hoping to run an Ethernet cable into it as a backhaul will find the port is present but not used that way on current firmware. Gigabit rather than 2.5 GbE means a fast plan can outrun the wired link. It also has the smallest review base in this roundup at under 2000 ratings, so there is less long-term evidence behind it than the older models.

9. TP-Link RE223BE Review – Dual-Band Wi-Fi 7 Extender

The RE223BE is the newest radio here. It is a dual-band Wi-Fi 7 extender with 3.2 Gbps of total bandwidth, 2594 Mbps on 5 GHz and 688 Mbps on 2.4 GHz, adding Multi-Link Operation, Multi-RUs, 160 MHz channels and 4K-QAM when it is paired with a Wi-Fi 7 router. Coverage is up to 2400 square feet for up to 64 devices across four Beamforming antennas.

There is an Ethernet port, and that has a concrete use case. One owner wired a PS5 through it and reported a much more stable gaming connection, which is a smart move since consoles are unforgiving of jitter. Several owners also completed WPS or Tether setup in under ten minutes, and one reported restoring coverage to an upstairs work room with no Ethernet ports at all.

Stability looks good in the available reviews. One owner reported no dropped connections after installing it in a 2000 square foot home, and EasyMesh compatibility is included for TP-Link mesh users. The catch is that it is a dual-band unit, so there is no 6 GHz support at all.

The concern most reviewers raise is value. With only 442 ratings it is the least examined product here, and one reviewer gave it a 1-star purely on price grounds, arguing the result is roughly what a mid-range Wi-Fi 6 extender delivers. Without a Wi-Fi 7 router at the main end, you pay for features that stay switched off.

Why it matters if your router is Wi-Fi 7

Multi-Link Operation and 4K-QAM only switch on when a Wi-Fi 7 router is driving the network, so this is a companion purchase rather than an upgrade for its own sake. If you already run Wi-Fi 7 upstairs, matching it downstairs keeps a single standard across the house and avoids an AC or AX extender throttling your newer clients.

Where it will disappoint you

If your main router is Wi-Fi 6 or older, most of this hardware sits idle. And because it remains a wireless repeater, wireless clients still see roughly half the available bandwidth regardless of generation. Value-focused buyers reasonably compare it against a cheaper Wi-Fi 6 extender and find little practical difference. For most basements, the cheaper models do the same job.

10. TP-Link TL-WPA7617 KIT Review – Powerline Adapter With a Passthrough Outlet

This kit shares the powerline idea with the TL-WPA7817 but is built around the older AC1200 wireless side. It uses HomePlug AV2 at AV1000 speeds up to 750 feet, which TP-Link markets specifically for multi-story homes, basements, attics and garages, and pairs it with 867 Mbps on 5 GHz plus 300 Mbps on 2.4 GHz at the far end.

The passthrough design is what separates it. The integrated power socket stays usable, so you are not trading a needed outlet for network coverage, which in a basement with a dehumidifier and a sump pump on the same wall is a genuine advantage. Gigabit Ethernet ports are present at both ends and cables are included, so the receiving side can feed a wired device.

Owners treat this as the basement-specific answer rather than a general-purpose extender. The logic is the same as with any powerline kit: it uses the home’s own wiring rather than trying to force radio through concrete and masonry. One-click WiFi configuration and OneMesh support simplify joining it to the main network.

Reviewers also stress the same caveat repeatedly, that the same-electrical-circuit requirement is the deciding factor between excellent results and no result at all. Older wiring or a sub-panel between the two ends can kill it outright, and surge protectors block it completely. The AC1200 wireless side is also clearly behind the AX-series extenders in this roundup.

Why it suits a basement with full outlets

Basement walls often have few outlets and a lot of permanently installed equipment. A passthrough socket means the extender does not consume the only socket in a room like a laundry or mechanical space. Pair that with the included Ethernet cable and you have a wired link down there without opening any walls, which is why renters and finished-basement owners like this approach.

Where it will disappoint you

Old or split wiring is the failure mode. If your panel routes the basement to a different circuit than the upper floor, or if a sub-panel sits between them, expect this to do little. It is also the slowest wireless side of any extender here at AC1200, so a modern phone in the basement will not see Wi-Fi 6 speeds even if your router offers them.

How to Choose a WiFi Extender for a Basement

The single most useful thing you can do before buying anything is work out how much signal actually reaches the basement stairwell. Set a phone or laptop there and read the signal strength. Anything below -70 dBm is marginal, and below -75 dBm is the range where owners on these products consistently report dead zones and dropouts. That number tells you whether a booster can help or whether you are relying on radio that is already too weak.

Next, decide whether you are fixing speed or fixing reach. Extenders improve coverage far more effectively than raw throughput, because every client shares the repeated signal. If your basement is a media room or office, buy the Ethernet port and use it, either for one wired device or in Access Point mode for the whole room.

Access Point mode deserves more attention than most guides give it. In that mode the extender stops creating a network of its own and simply adds radios, letting your existing router keep assigning addresses. That avoids the double-NAT problems that break port forwarding, gaming services and device-to-device discovery. The RE615X and RE715X both support it, and one owner measured roughly 940 Mbps wired in AP mode against about 380 Mbps straight from the gateway.

Mesh compatibility is the next filter. OneMesh, AiMesh and EasyMesh let the extender share a single network name with a compatible router, which removes the most common basement complaint: devices that grab the extended network and then refuse to switch back. Both features only work within a brand’s own ecosystem, so if you are not replacing your router, verify the pairing is real.

Wi-Fi generation matters less than most marketing implies. Two thirds of the units here are Wi-Fi 5, and they will happily extend a Wi-Fi 6 or Wi-Fi 7 network, just at AC speeds. Buy Wi-Fi 6 or Wi-Fi 7 if you want headroom for 4K streams and many devices, not because the current generation magically penetrates concrete better.

Finally, check your ISP router situation before you commit. Extenders from major brands are generally listed as working with gateways from Xfinity, Spectrum, AT&T, Cox and Verizon, but the setup experience on ISP hardware is where most install friction appears. Budget five minutes for pairing, keep the router firmware current, and expect to reset the extender once before it will join the network.

Basement Placement Strategy That Actually Works

Placement beats hardware more often than not, and the mistake almost everyone makes is pushing the extender to the far end of the basement. A repeater needs a strong signal of its own to rebroadcast, so parking it in the dead zone means it has nothing to work with. Follow these steps in order.

1. Start at the point where signal first arrives, which is almost always the top of the basement stairs or the doorway to the room above. Measure there before you buy anything.

2. Place the extender halfway between the router and the dead zone, not in the dead zone itself. Halfway means where you still get a strong reading, typically better than -60 dBm.

3. Put it high on a wall and away from metal. Structural steel, ductwork, appliances and a metal water heater in a mechanical room will all absorb signal faster than concrete does.

4. Aim external antennas toward the stairwell or the longest wall rather than across the open floor. Directional antennas concentrate the beam and waste less of it into masonry.

5. Check for obstacles between the router and the extender. A closed fire door, a mirrored closet or a stack of storage bins in the path will cost you more than any spec difference between models.

6. Test before you settle. Move the unit until the phone reading in the target room stays above -70 dBm, then keep it there.

7. Use the Ethernet port whenever a cable can reach, because a wired feed beats any repeater in this roundup for reliability.

8. If the basement holds equipment that needs power year-round, plan the outlet around it. Our basement dehumidifier guide and flooded basement sump pump guide both run to continuous power, so leave a socket free near them for the extender.

Extender vs Mesh vs Powerline vs MoCA vs Ethernet

Extenders are the cheapest and the fastest to install, and they work best in small spaces with a clear path back to the router. They halve bandwidth for every wireless client, so think of them as filling one dead zone rather than serving a whole floor.

Mesh systems behave like a coordinated set of access points with a single network name, which solves the roaming complaints that plague standalone extenders. They still use wireless backhaul between nodes, so a concrete floor between them limits them the same way it limits any repeater. If your basement is directly under the router with no major barrier, mesh is the cleaner experience.

Powerline adapters use your electrical wiring as the backhaul, which is why the two kits on this list exist and why owners treat them as the basement-specific answer. Speeds vary widely with wiring quality and circuit layout, and adapters on different circuits can deliver very little. Check your panel first.

MoCA adapters use coax cabling, and in a home with coax runs to the basement they are a strong choice because the cable is a better path than radio or old electrical wiring. MoCA is the standard recommendation in networking communities for exactly this scenario. The catch is that coax must already reach the basement, and older installs may not support the current MoCA version.

Running Ethernet from the router to the basement remains the most reliable option and the one most often recommended in home networking forums. It costs more in labour and it is not available to every renter, but a cable-fed access point has no halving penalty and no penetration problem. Every extender on this list with an Ethernet port exists because of that reality. Use an extender as the answer when you cannot run cable, not as a substitute for running cable.

Frequently Asked Questions

Conclusion: The Best WiFi Extender for Your Basement

The TP-Link RE220 is our pick for most basements because it carries more owner feedback than any other extender here, includes an Ethernet port, and merges cleanly with a TP-Link router through OneMesh. For a finished basement with a smart TV or console, the RE315 adds adaptive path selection and more bandwidth at a step up, while the RE715X is the pick when concrete is genuinely the obstacle.

If your basement is far from the router or split across circuits, the powerline kits outperform every wireless unit because they use your wiring instead of fighting concrete. Whatever you choose, measure the signal at the top of the stairs before you buy and place the unit halfway. You can check current figures for all ten through the links above.