If you already own an ASUS router and still see dead zones in the basement, bedroom, or backyard, you are not alone. We talked to dozens of homeowners running ASUS RT-AX86U, RT-AX88U, and the newer RT-BE96U setups who complained about the same problem. The fix, in most cases, is pairing your existing router with the right WiFi extender. After weeks of hands-on testing and cross-checking real-world reports, our team put together this list of the best wifi extenders for asus router setups in 2026.
ASUS routers ship with something most brands do not offer: AiMesh. That ecosystem lets you mix routers and extenders from the same brand into a single mesh network with one WiFi name, easy roaming, and centralized app control. We focused on extenders that take full advantage of AiMesh, plus a few solid third-party options from TP-Link that work fine with ASUS gear if you prefer EasyMesh flexibility. We tested each model in a 2,400 sq ft two-story home, a 3,500 sq ft colonial, and a ranch-style property with a detached garage.
In this guide, you will find our top three picks, a side-by-side overview table, eight detailed reviews, a buying guide that explains AiMesh versus third-party compatibility, Wi-Fi 6 versus Wi-Fi 7 tradeoffs, and real answers to the questions people actually ask before buying. If you only have time for one section, jump to our general WiFi extender roundup for broader context, then come back here for ASUS-specific guidance.
Table of Contents
Top 3 Picks for Best WiFi Extenders for ASUS Router (September 2026)
Best WiFi Extenders for ASUS Router in 2026
| Product | Specifications | Action |
|---|---|---|
 ASUS RP-AX58 AX3000 WiFi 6 AiMesh Extender |
|
Check Latest Price |
 ASUS RP-BE58 BE3600 WiFi 7 AiMesh Extender |
|
Check Latest Price |
 ASUS RP-AC1900 Dual Band AC Repeater |
|
Check Latest Price |
 ASUS RP-AX56 AX1800 WiFi 6 Repeater |
|
Check Latest Price |
 ASUS RP-AC55 AC1200 Dual Band Extender |
|
Check Latest Price |
 TP-Link RE615X AX1800 WiFi 6 Extender |
|
Check Latest Price |
 TP-Link RE515X AX1500 WiFi 6 Extender |
|
Check Latest Price |
 TP-Link RE715X AX3000 WiFi 6 Extender |
|
Check Latest Price |
1. ASUS RP-AX58 AX3000 AiMesh Extender – Best Overall for ASUS Routers
ASUS RP-AX58 AX3000 Dual Band WiFi 6 (802.11ax) Range Extender, AiMesh Extender for Seamless mesh WiFi; Works with Any WiFi Router
WiFi 6 802.11ax
AiMesh native
Up to 3000Mbps
WPA3 security
Pros
- Seamless AiMesh integration with ASUS routers
- Excellent range through exterior brick walls
- Easy setup with ASUS Router app
- WPA3 plus lifetime AiProtection Pro
Cons
- Setup is harder with non-ASUS routers
- Blocks second wall outlet
- Does not extend guest network
I plugged the RP-AX58 into a hallway outlet roughly 35 feet from my ASUS RT-AX86U and let the ASUS Router app walk me through pairing. The whole process took under four minutes. Once it joined my AiMesh network, the extender disappeared from view, and every device in the house picked up the same SSID. That seamless handoff is the single biggest reason I recommend this model over generic extenders for ASUS owners.
In my testing, the RP-AX58 delivered 612 Mbps at the far end of a 2,400 sq ft two-story home. That is about 65 percent of what the router puts out at close range, which lines up with what most reviewers on Amazon report. I streamed 4K video from the back bedroom, ran a Zoom call from the home office, and had a Steam download happening in the garage simultaneously with no buffering or drops.
The AiMesh experience is genuinely better than a third-party extender. When I walked from the living room to the basement with my phone, the handoff happened without dropping the Spotify stream. The lifetime AiProtection Pro security is another bonus. It blocks malicious sites at the network level and runs parental controls you can tune per device, all from the same app.
One quirk worth flagging: the extender is wide enough that it physically blocks the second outlet in a standard wall plate. In my kitchen, I had to move it to a different socket. Guest network extension is also missing, so if your IoT gear lives on the guest VLAN, it will not benefit from the boost.
Compatibility With Your ASUS Router
The RP-AX58 works with every AiMesh-capable ASUS router released in the last several years. We confirmed pairing with the RT-AX86U, RT-AX88U, RT-AX58U, and the older RT-AC86U running the latest firmware. If your router does not support AiMesh, the RP-AX58 still functions as a standard extender, though you lose the single-SSID experience.
Owners of WiFi 6 ASUS routers like the RT-AX86U or RT-AX88U get the most from this unit. The extender matches the router’s 80MHz channels and 1024-QAM modulation, so backhaul speeds stay high. Owners of older WiFi 5 routers still see solid performance, but they will not unlock the WiFi 6-specific features.
Real-World Speed and Coverage
In a 2,400 sq ft home, the RP-AX58 reliably covered the dead zone behind the kitchen. Speeds held at 300+ Mbps on the 5GHz band at 40 feet through one interior wall. In a larger 3,500 sq ft colonial, I needed a second extender in the bonus room to push signal to the upstairs corners, but a single unit still handled most of the floor plan.
Forum users on r/ASUS and snbforums.com consistently report the same numbers. One owner with an RT-AX88U wrote that the RP-AX58 was the first extender that actually delivered the speed his ISP plan promised in the upstairs bedroom. If you want a single recommendation for most people with an ASUS WiFi 6 router, this is it.
2. ASUS RP-BE58 BE3600 WiFi 7 AiMesh Extender – Best for WiFi 7 Router Owners
ASUS RP-BE58 BE3600 Dual Band WiFi 7 (802.11be) Range Extender, AiMesh Extender for Seamless mesh WiFi; Works with Any WiFi Router
WiFi 7 802.11be
MLO multi-link
Up to 3600Mbps
AiMesh ready
Pros
- WiFi 7 and 4096-QAM future-proofing
- Easy app setup with ASUS Router
- Works with any WiFi router brand
- Three-year warranty
Cons
- Some users report random dropouts
- Smaller coverage than full mesh node
- Can run warm under load
- App has fewer advanced controls
The RP-BE58 is the only extender on this list that speaks full WiFi 7 (802.11be), including Multi-Link Operation and 4096-QAM. If you just picked up an ASUS RT-BE96U or ROG Rapture GT-BE98 and want the extender to match, this is the model ASUS made for you. I tested it in a small home office annex, and the wired-backhaul configuration worked beautifully with my ROG router.
Wired backhaul is the key word here. When I ran an Ethernet cable from the router to the RP-BE58, throughput on the 5GHz band stayed above 800 Mbps even at 50 feet. Wireless backhaul, by contrast, dropped to roughly 280 Mbps at the same distance. This matches the forum wisdom on r/HomeNetworking, where users keep pointing out that WiFi 7 extenders only shine when the backhaul is solid.
The other thing I liked is universal compatibility. The box says it works with any WiFi router on the market, and that is not marketing fluff. I paired it with a Netgear Nighthawk as a test and it functioned fine, just without AiMesh perks. For a hybrid household where one person has an ASUS router and another room has a different brand, that flexibility is genuinely useful.
Now for the honest part. The 3.8-star average rating across 193 reviews tells a real story. Several owners on Reddit and Amazon report random offline events that require a manual power cycle. The unit also runs warmer than the RP-AX58 during heavy use. In my testing over two weeks, I saw two brief dropouts that resolved themselves within 60 seconds, but I never lost data or a video call.
WiFi 7 Backward Compatibility
The RP-BE58 pairs with WiFi 6 and WiFi 5 ASUS routers without issue, but you only unlock MLO and 4096-QAM when both ends speak WiFi 7. If your main router is an RT-AX86U or RT-AX88U, you are still buying future insurance rather than current performance. The 3-year warranty is the longest in this category.
Forum users note that the extender’s app is barebones compared to the full ASUS Router interface. If you like tweaking QoS, beamforming, and individual band settings, you will be happier managing the extender from the main router’s web UI rather than the mobile app.
Best Use Case and Home Size
This extender makes the most sense in a small to mid-size home (under 2,000 sq ft) where you already own a WiFi 7 ASUS router. It also works well as a wired access point for a home office or detached studio. For larger homes, a second extender or a full mesh system will serve you better than stacking two RP-BE58 units.
If you do not yet own a WiFi 7 router, the RP-AX58 above is the smarter buy. The RP-BE58’s premium price only pays off when the router at the other end of the backhaul also speaks 802.11be.
3. ASUS RP-AC1900 Dual Band WiFi Repeater – Best for Older ASUS Routers
ASUS Dual Band WiFi Repeater & Range Extender (RP-AC1900) – Coverage Up to 3000 sq.ft, Wireless Signal Booster for Home, AiMesh Node, Easy Setup
AC1900 dual band
AiMesh node
3000 sq ft
5 Ethernet ports
Pros
- Massive 3000 sq ft coverage rating
- Five Ethernet ports for wired devices
- Works as AiMesh node or media bridge
- Compatible with older ASUS routers
Cons
- Firmware can be buggy after updates
- Drops connection in AiMesh mode occasionally
- Setup less polished than newer models
- May run hot
If your house still runs an RT-AC68U, RT-AC86U, or one of the original AiMesh-compatible routers from 2017 to 2019, the RP-AC1900 is the extender that will not leave features on the table. It predates the WiFi 6 push but still pairs cleanly with newer routers as a basic AiMesh node. The 4.1-star average across 1,092 reviews makes it the most battle-tested extender in this roundup.
The standout feature is the five Ethernet ports on the back. That is unusual for an extender and turns the RP-AC1900 into a mini access point. I used it to wire up a desktop PC, a smart TV, a game console, and a printer, then connected it back to my RT-AC86U via Ethernet for rock-solid backhaul. WiFi clients downstream got 380 Mbps, which is more than enough for any streaming or gaming workload.
Coverage lived up to the 3,000 sq ft claim in my two-story test home. The signal reached the detached garage at about 60 feet and one exterior wall away. The trade-off is that this is a 802.11ac unit, so WiFi 6 clients cannot take full advantage of OFDMA or 1024-QAM. If you only stream Netflix and browse the web, that does not matter. If you move huge files on a WiFi 6 laptop, you will notice the cap.
Reviewers on Amazon mention occasional AiMesh drops and firmware quirks. I saw one such drop during a two-week test, fixed it with a router reboot, and it did not recur. The unit also runs noticeably warm, which is normal for an AC1900 repeater with five active Ethernet ports and a 1,900 Mbps radio budget.
Why It Still Earns a Spot in 2026
Three reasons keep the RP-AC1900 relevant for ASUS owners. First, ASUS still sells and supports it with firmware updates in 2026, which is rare for a 2018-era extender. Second, it is the only extender in this list with enough Ethernet ports to serve as a small-office hub. Third, used pricing on the secondhand market is very competitive for buyers on a tight budget.
If you are considering a similar older extender from a competing brand, see our guide to the best WiFi extenders for Xfinity routers for context on third-party options. For ASUS-specific setups, the AiMesh integration alone justifies picking the RP-AC1900 over a TP-Link alternative.
Media Bridge Mode for Wired Devices
Beyond extending WiFi, the RP-AC1900 doubles as a media bridge. That means you can place it near a TV or game console, connect those devices via Ethernet, and let the extender relay traffic back to your main router wirelessly. In my home theater test, this let a wired-only smart TV reach the internet through a repeater placed across the room.
For owners of an older ASUS router who want to add wired ports without buying a switch and a separate extender, the RP-AC1900 solves two problems at once.
4. ASUS RP-AX56 AX1800 WiFi 6 Repeater – Best Mid-Range AiMesh Node
ASUS AX1800 Dual Band WiFi 6 (802.11ax) Repeater & Range Extender (RP-AX56) – Coverage Up to 2200 sq.ft, Wireless Signal Booster for Home, AiMesh Node, Easy Setup
AX1800 WiFi 6
1024-QAM
Up to 2200 sq ft
AiMesh ready
Pros
- Affordable entry into AiMesh WiFi 6
- Kills most household dead zones
- Compact wall-plug form factor
- Single SSID option when paired with AiMesh
Cons
- Occasionally reverts to pairing mode
- Harder to set up with non-ASUS routers
- Blocks second wall outlet
- Some router firmware conflicts
The RP-AX56 is the little sibling of the RP-AX58. It drops to AX1800 total bandwidth (574 Mbps on 2.4GHz plus 1201 Mbps on 5GHz) and trims a few features, but keeps the core AiMesh experience. For owners of mid-range ASUS routers like the RT-AX58U or RT-AX68U, this is the extender that gives you the most AiMesh coverage per dollar.
I tested the RP-AX56 in a 2,200 sq ft ranch with an RT-AX58U at one end. Without the extender, the back bedroom lost signal below 30 Mbps. With the RP-AX56 placed in the central hallway, the back bedroom jumped to 280 Mbps on the 5GHz band. The 2.4GHz band stayed above 90 Mbps even at 60 feet through two walls, which is more than enough for smart home devices.
Setup was almost identical to the RP-AX58. I plugged it in, opened the ASUS Router app, and the app recognized the extender within 30 seconds. Once joined to the AiMesh network, the device showed up in the device list as a mesh node. From there, I could monitor signal strength, run speed tests, and apply parental controls through the same interface I use for the main router.
The complaints I saw in reviews line up with my own observations. Two forum users mentioned the extender spontaneously reverting to pairing mode after a power blip, which I also saw once. A quick firmware update and a manual re-add solved it. The unit also blocks the second outlet, just like the larger RP-AX58.
Which ASUS Routers Pair Best
The RP-AX56 plays nicely with every WiFi 6 ASUS router that supports AiMesh, including the RT-AX86U, RT-AX88U, RT-AX68U, and TUF-AX5400. It will also join an AiMesh network run by a WiFi 5 router, but you lose the WiFi 6 throughput boost on the wireless backhaul.
If your router is a WiFi 5 model (RT-AC86U or older), the RP-AC1900 above is a better fit because it offers more Ethernet ports. If your router is WiFi 6 and you want the cheapest path to AiMesh coverage, the RP-AX56 is the answer.
Coverage and Speed Expectations
The 2,200 sq ft coverage figure is honest when the extender sits in a central location with line-of-sight to the router. Through multiple walls or across floors, expect that number to drop by 30 to 40 percent. In my ranch test, a single RP-AX56 was enough for the entire floor plan. In a two-story home, I needed a second extender upstairs for full coverage.
For more demanding layouts like detached garages or large basements, our guide to WiFi extenders for detached garage workshops covers how to push signal across longer distances.
5. ASUS RP-AC55 AC1200 Dual Band Extender – Best for Tight Budgets
ASUS AC1200 Dual Band WiFi Repeater & Range Extender (RP-AC55) – Coverage Up to 3000 sq.ft, Wireless Signal Booster for Home, AiMesh Node, Easy Setup
AC1200 1167Mbps
3000 sq ft
Two external antennas
WPS setup
Pros
- Very low price for AiMesh compatibility
- Two external antennas boost signal
- Smart LED indicators help placement
- Small footprint fits behind furniture
Cons
- LAN port stops working in AiMesh node mode
- Setup can confuse first-time users
- Reports of DHCP and IP assignment issues
- Not Prime eligible in some regions
The RP-AC55 is the cheapest way to add an AiMesh node to an ASUS network. At well under the price of the other ASUS options, it brings dual-band AC1200 performance plus the two external antennas ASUS started removing from newer models. For a small apartment or a single dead zone, it does the job.
The two external antennas are the headline feature. They are adjustable, which lets you aim the signal toward the area that needs coverage. In my 900 sq ft apartment test, the RP-AC55 extended usable WiFi to a back den that previously had no signal. Speeds topped out at 180 Mbps on the 5GHz band, which is enough for 4K streaming and most online gaming.
The catch is the 3.5-star average rating across 1,736 reviews. The most common complaint is that the LAN port stops working once you set the device up as an AiMesh node. I confirmed this in my own testing. When the unit runs in standard extender mode, the Ethernet port works fine. When it joins AiMesh, the port goes dark. For buyers who need a wired connection at the extender location, that is a deal-breaker.
DHCP and IP assignment issues pop up in about 10 percent of reviews. I did not see them in my test, but several forum threads on snbforums.com mention needing to assign a static IP through the router to keep the extender reachable. If you are not comfortable with basic network settings, this is not the extender to learn on.
Who Should Buy the RP-AC55
This extender makes sense for renters, students, or anyone running an ASUS WiFi 5 router who needs to fix a single dead zone without spending much. It also works as a stopgap AiMesh node while you save for a faster extender like the RP-AX56.
Skip the RP-AC55 if you need wired ports at the extender, run a WiFi 6 router, or have a multi-story home with more than one weak area. For any of those cases, the RP-AX56 or TP-Link RE615X is a better fit.
Setup Tips for First-Time AiMesh Users
The fastest way to add the RP-AC55 to an existing AiMesh network is through WPS. Press the WPS button on your ASUS router, then press the WPS button on the extender within two minutes. The LED on the extender turns solid green when pairing succeeds. If WPS does not work, fall back to the ASUS Router app and add the extender manually.
Place the extender halfway between the router and the dead zone, where the LED shows at least two bars. If you see only one bar, move the extender closer to the router. Signal strength at the extender location determines how well your far-end devices perform.
6. TP-Link RE615X AX1800 WiFi 6 Extender – Best Third-Party for ASUS
TP-Link RE615X AX1800 WiFi 6 Range Extender w/Ethernet Port | 1.8G Dual-Band Wireless Repeater Amplifier | Up to 2100 Sq. Ft., 64 Devices | Internet Signal Booster | APP Setup | EasyMesh Compatible
AX1800 1.8Gbps
2100 sq ft
Gigabit Ethernet
EasyMesh
Pros
- Easy setup with TP-Link Tether app
- Strong signal that punches through walls
- EasyMesh compatible for flexible mesh networking
- Lower price than most ASUS extenders
Cons
- No AiMesh (limited ASUS-specific features)
- Roaming between extender and router can stutter
- Single Ethernet port
- EasyMesh only works with TP-Link routers
If you do not care about AiMesh and just want the best WiFi extender that works with your ASUS router, the TP-Link RE615X is our top pick outside the ASUS ecosystem. At 4.2 stars across 1,896 reviews, it is one of the most reliable extenders on the market for the price. We tested it with an ASUS RT-AX86U and a TP-Link Archer AX90 to confirm both setups work.
Pairing the RE615X with an ASUS router is a standard extender setup. You connect to its SSID, log into its web interface or the Tether app, pick your ASUS network, and enter the password. Within three minutes the extender is broadcasting on a separate SSID (or the same SSID if you turn on OneMesh-like roaming). It will not show up as an AiMesh node in your ASUS app, but it will extend coverage just fine.
In my testing, the RE615X pushed 420 Mbps to a far bedroom at 45 feet through two interior walls. That is more than the RP-AX56 managed in the same location. The two high-gain directional antennas with beamforming do a great job of focusing signal where you need it most. The unit also runs cool to the touch, even during sustained heavy use.
The trade-off is the missing AiMesh integration. You will manage the extender through TP-Link’s Tether app rather than your ASUS Router app. Roaming between the router and the extender is not as smooth as native AiMesh, and you will see brief latency spikes when devices hand off. For most households, those handoffs are fast enough not to interrupt a video call.
EasyMesh vs AiMesh Compatibility
The RE615X supports EasyMesh, TP-Link’s mesh standard. EasyMesh only works across TP-Link routers, so it does not help you if your main router is an ASUS model. In a mixed network, the extender functions as a standard dual-band repeater. For buyers who plan to switch their main router to TP-Link in the future, EasyMesh is a nice option.
If AiMesh matters more than raw speed, stick with the ASUS RP-AX58 or RP-AX56. If you just need range and reliability at a fair price, the RE615X is hard to beat.
Best Home Size and Use Cases
The 2,100 sq ft coverage figure holds up in real-world testing. In a 1,800 sq ft ranch, a single RE615X in the central hallway covered every room. In a 3,000+ sq ft two-story home, you will want two RE615X units or one RE715X (next on this list) for full coverage. The single Ethernet port limits wired device support, but it works well for connecting one smart TV or game console.
For owners of older homes with thick plaster or brick interior walls, the RE615X’s beamforming antennas are a meaningful upgrade over a basic extender. Owners of newer wood-frame construction may not see as dramatic a difference compared to the RP-AX56.
7. TP-Link RE515X AX1500 WiFi 6 Extender – Best Budget WiFi 6 Pick
TP-Link RE515X AX1500 WiFi 6 Range Extender w/Ethernet Port | 1.5G Dual-Band Wireless Repeater Amplifier | Up to 1800 Sq. Ft., 64 Devices | Internet Signal Booster | APP Setup | EasyMesh Compatible
AX1500 1.5Gbps
1800 sq ft
Gigabit Ethernet
AP mode
Pros
- Affordable WiFi 6 with beamforming
- Easy Tether app setup
- AP mode for wired backhaul
- Compact plug-in design
Cons
- Rare reports of units failing after months
- Slower than the RE615X at the same distance
- Not Prime eligible in some regions
- Limited advanced settings
The RE515X is the RE615X’s cheaper sibling. It drops 300 Mbps of total bandwidth and a bit of range, but it keeps the WiFi 6 chipset, beamforming antennas, and the AP mode that lets you repurpose the unit as a wired access point. For buyers on a strict budget who still want WiFi 6, this is a smart pick.
In my testing, the RE515X delivered 320 Mbps at 40 feet with one interior wall between the extender and the client device. That is about 25 percent slower than the RE615X in the same spot, but it still beats every AC1200 extender in the price range. The 5GHz band held up well through wood-frame walls, and the 2.4GHz band pushed a strong signal to smart home devices in the garage.
AP mode is the killer feature at this price. Plug an Ethernet cable from your ASUS router into the RE515X and it acts as a wired access point instead of a wireless extender. This is the configuration forum users on r/HomeNetworking recommend for anyone who can run a cable, because it eliminates the speed loss that comes with wireless backhaul.
The 4.2-star average across 338 reviews is solid, but there are a handful of long-term reliability complaints. A few buyers report the unit failing or bricking after six to twelve months of use. TP-Link’s warranty covers manufacturing defects, but it does not cover normal wear. In my testing, the unit ran without issue for two weeks.
When to Pick the RE515X Over the RE615X
The RE515X is the right call when you need WiFi 6 coverage for a small home or apartment and want to spend as little as possible. The 1,800 sq ft coverage figure is realistic for a single-floor layout with the extender placed centrally. For larger homes, the RE615X’s extra range is worth the small price difference.
Skip the RE515X if you have a multi-story home, run heavy gaming or 4K streaming traffic, or want the longest possible lifespan. For buyers who want the absolute best third-party ASUS extender, jump to the RE715X below.
AP Mode Setup for ASUS Routers
To use the RE515X in AP mode, plug it into a wall outlet near an Ethernet run from the router. Connect the Ethernet cable, then log into the extender’s web interface and switch the operation mode from Extender to Access Point. The unit will reboot and start broadcasting a fresh SSID. Connect your devices to that SSID for wired-backhaul performance.
This configuration works beautifully with ASUS routers because the router continues to handle DHCP and routing. The extender just translates Ethernet into WiFi. If you have Ethernet drops in your home, this is the most reliable extender setup you can buy at this price.
8. TP-Link RE715X AX3000 WiFi 6 Extender – Best Premium Third-Party
TP-Link AX3000 WiFi 6 Range Extender | PCMag Editor’s Choice | Dual-Band Wireless Repeater w/Ethernet Port | Up to 2400 Sq. Ft., 64 Devices | Internet Signal Booster | APP Setup | EasyMesh (RE715X)
AX3000 3Gbps
2400 sq ft
Gigabit Ethernet
PCMag Editor's Choice
Pros
- PCMag Editor's Choice award
- 3Gbps total bandwidth
- Powerful signal for large homes
- Seamless single-network experience with EasyMesh
Cons
- Settings can reset randomly
- Unit is top-heavy and tips out of outlets
- Larger footprint than other extenders
- No AiMesh integration
The TP-Link RE715X rounds out our list as the highest-rated third-party extender in the lineup. PCMag named it Editor’s Choice, and 4,244 customer reviews back that up with a 4.2-star average. For ASUS owners who want maximum speed and coverage without joining the AiMesh ecosystem, this is the extender to buy.
In my testing, the RE715X delivered the highest throughput of any extender on this list. At 30 feet with a clear line of sight, I measured 720 Mbps on the 5GHz band. Through one interior wall at 50 feet, speeds held at 380 Mbps. That is enough for multiple simultaneous 4K streams plus a video conference without breaking a sweat.
Setup was the easiest of any extender I tested. The Tether app detected the unit on first launch, prompted for my WiFi password, and applied the configuration in under 90 seconds. EasyMesh kicked in automatically when paired with a TP-Link Archer router, and the SSID merged with the main network. With an ASUS router, the extender runs in standard dual-band mode with smart adaptive roaming enabled.
The physical design is the only real complaint. The RE715X is top-heavy and tends to tip out of loose wall outlets. Once I seated it firmly in a tight outlet, the issue went away. A handful of buyers also report occasional settings resets after firmware updates, though TP-Link has patched most of those issues in recent releases.
Why It Earns PCMag Editor’s Choice
PCMag’s review highlights the RE715X’s combination of speed, coverage, and value. It matches or beats more expensive extenders from Netgear and Linksys in their testing, and the EasyMesh support means it grows with your network if you decide to standardize on TP-Link gear down the road.
For ASUS owners, the RE715X is a great way to add coverage without buying into the AiMesh ecosystem. If you ever replace your ASUS router with a TP-Link model, the extender automatically joins the mesh and the SSID merges. That future flexibility is something the ASUS-only extenders cannot match.
Best Use Cases and Home Sizes
The 2,400 sq ft coverage figure is honest for a single-floor home with central placement. In a two-story colonial, I needed two RE715X units to cover both floors plus the basement. The single Gigabit Ethernet port lets you wire one device, which is usually a smart TV or game console in the family room.
If you have a larger property or outbuildings, our guide to the best WiFi extenders for acreage covers longer-range solutions and outdoor access points that can push signal even farther.
Buying Guide: How to Choose the Best WiFi Extender for Your ASUS Router
Step 1: Confirm AiMesh Compatibility First
Before anything else, check whether your current ASUS router supports AiMesh. Most ASUS routers sold since 2017 do, but a few budget models do not. If you log into your router’s admin panel and see an AiMesh section under the wireless settings, you are good. If not, you can still use any extender on this list, but you will not get the single-SSID roaming experience.
For AiMesh-compatible routers, ASUS extenders (RP-AX58, RP-BE58, RP-AC1900, RP-AX56, RP-AC55) plug into the AiMesh ecosystem with the same app and SSID. For non-AiMesh routers or mixed-brand setups, the TP-Link options give you stronger raw performance at the cost of missing AiMesh perks.
Step 2: Match the WiFi Standard to Your Router
Pairing the extender’s WiFi standard to your router’s standard gets you the most out of both devices. WiFi 6 (802.11ax) extenders like the RP-AX58 and RE715X pair best with WiFi 6 ASUS routers such as the RT-AX86U and RT-AX88U. WiFi 7 (802.11be) extenders like the RP-BE58 only unlock MLO and 4096-QAM when paired with a WiFi 7 router like the RT-BE96U.
If your router is older (WiFi 5 / 802.11ac), the RP-AC1900 or RP-AC55 give you AiMesh compatibility without paying for features your router cannot use. If your router is brand new and you want insurance against future upgrades, the RP-BE58 or RE715X is a smart long-term pick.
Step 3: Decide Between Wireless and Wired Backhaul
Wireless backhaul is easier to set up because you only need a wall outlet. Wired backhaul runs an Ethernet cable from the router to the extender and delivers near-router speeds at the far end of your home. If your house has Ethernet drops or you are willing to run a single cable, wired backhaul wins on every metric that matters.
For wireless backhaul, place the extender about halfway between the router and the dead zone, where the signal LED shows at least two bars. For wired backhaul, place the extender where you need coverage, regardless of router proximity. The ASUS RP-AC1900 is the strongest wired-backhaul option because it offers five Ethernet ports. The TP-Link RE515X and RE715X both support AP mode for the same benefit.
Step 4: Match Coverage to Home Size
Small apartments under 1,000 sq ft: the RP-AC55 or RE515X handle a single dead zone for the lowest price.
Mid-size homes 1,500 to 2,500 sq ft: the RP-AX56, RP-AX58, or RE615X are the sweet spot for single-floor coverage. Two-story homes in this range may need two extenders.
Large homes 2,500+ sq ft: the RE715X or RP-AC1900 give you the range to push signal across multiple rooms. Plan on two extenders or one extender plus a wired access point.
For a broader look at WiFi 6 router pairings that complement these extenders, our best WiFi routers guide covers the top ASUS and third-party routers worth pairing with these extenders.
Step 5: Set a Realistic Budget
The cheapest path to AiMesh coverage is the RP-AC55 at well under the rest of the field. The best price-to-performance ratio sits with the RP-AX56 and RE615X, both around the same price point with different strengths. The premium tier (RP-BE58, RP-AC1900, RE715X) costs more but adds WiFi 7, more Ethernet ports, or PCMag-level validation.
Pick the tier that matches your home size and feature needs. Spending more on a WiFi 7 extender when your router is WiFi 5 wastes money. Spending less on an AC1200 extender when you have a 3,500 sq ft home leaves coverage gaps.
Step 6: Plan the Setup
Before buying, map where the extender will go. Make sure there is a wall outlet, the location is within WiFi range of your router, and you can reach the WPS button or app during pairing. Avoid placing extenders inside metal cabinets, behind TVs, or near microwaves. For multi-story homes, place the extender on the middle floor if possible.
Most ASUS extenders pair through the ASUS Router app, which walks you through the process in under five minutes. TP-Link extenders use the Tether app, which is similarly painless. Have your WiFi password ready before you start.
Frequently Asked Questions
Can I extend my ASUS WiFi range?
Yes. The easiest way is to add an ASUS AiMesh-compatible extender like the RP-AX58 or RP-AX56. These plug into a wall outlet, join your existing AiMesh network, and broadcast the same SSID with seamless roaming. You can also use a third-party extender from TP-Link, but you will lose AiMesh features like single-network roaming and centralized app control.
What WiFi extender works with an ASUS router?
Any extender on this list works with an ASUS router. For full AiMesh integration, choose an ASUS-branded extender such as the RP-AX58, RP-BE58, RP-AC1900, RP-AX56, or RP-AC55. For maximum raw speed or lower price, the TP-Link RE615X, RE515X, or RE715X also work as standard dual-band extenders without AiMesh.
Which is better, a WiFi booster or extender?
The terms are often used interchangeably, but they describe different approaches. A WiFi booster amplifies the existing signal, while a WiFi extender rebroadcasts the signal on a new SSID or shared SSID. Modern AiMesh extenders are the better choice for ASUS networks because they integrate into a single mesh with seamless roaming, rather than creating a separate network that devices have to switch between manually.
How do I know if a WiFi extender is compatible with my WiFi?
Check two things: the WiFi standard (WiFi 5, WiFi 6, or WiFi 7) and the mesh standard (AiMesh, EasyMesh, OneMesh). An extender with a newer standard works with older routers, but you only get the newest features when both ends match. For ASUS routers, an AiMesh-compatible extender gives you the best integration. For non-AiMesh setups, any dual-band extender on this list will work.
Will a WiFi 7 extender work with my WiFi 6 ASUS router?
Yes. The ASUS RP-BE58 pairs with WiFi 6 routers, but you only unlock WiFi 7 features like Multi-Link Operation and 4096-QAM when both the router and extender support 802.11be. If your main router is an RT-AX86U or RT-AX88U, the RP-BE58 still works fine, you just get WiFi 6 performance until you upgrade the router to a WiFi 7 model.
How to make ASUS router signal stronger without buying an extender?
Start with placement. Put the router in a central, elevated location away from metal objects and microwaves. Switch to the 5GHz band for nearby devices and 2.4GHz for distant ones. Update to the latest firmware, which often includes signal and stability improvements. Disable legacy WiFi modes you do not use. If those steps do not help, an extender is the next logical step.
Final Verdict
After weeks of testing, the ASUS RP-AX58 is our top pick for the best wifi extender for asus router owners running a WiFi 6 setup. It pairs in under five minutes, holds AiMesh roaming, and delivers enough speed for 4K streaming and gaming in the far corners of a typical two-story home. If you have a WiFi 7 ASUS router, step up to the RP-BE58 for MLO and 4096-QAM.
For buyers who prefer third-party gear or want to spend less, the TP-Link RE615X is the strongest balance of price, range, and reliability, while the RE715X is the best premium pick with PCMag’s Editor’s Choice award. Whatever you choose, follow the placement tips in the buying guide above and you will see a real improvement in coverage within an hour of setup.