Mychailo Toloczko
I thought I had reviewed this router some time ago, but apparently I forgot to do it. I bought one in December 2017 and one in March, 2018. Both are being used and are set up in my two-story, 3100 sq-ft house, in router+AP mode to provide high strength 5 GHz coverage for the entire house. I'm not using AiMesh mode and haven't tried it. These have been great routers for my needs. Fast, inexpensive, reliable.
I started with just one RT-AC86U that replaced my RT-AC3100 that had replaced my RT-AC68U, and I found that, overall, RT-AC86U provided better range and speed for both the 2.4 GHz and 5 GHz bands than either of those two routers for multiple types of devices (Mac laptop, Android phone, iPad). I did a fairly extensive set of tests that can be found on the SNB forums. I was able to connect in the far bedrooms on the 2.4 GHz band with just a single router and had no problem doing typical internet surfing, but while the connection strength and speed was better than the two previous routers, it still wasn't what I wanted.
After doing a fair bit of reading, I realized that no single router would provide the 5 GHz coverage that I wanted in the far bedrooms, so I bought a second RT-AC86U, and set it up in AP mode at a location suitable to provide good signal strength in the far bedrooms. Running in main+AP mode requires a dedicated ethernet connection between the two routers. Running this cable is easy for some, but not others. AiMesh is an option for those who don't have the option of running an ethernet cable. For the main AC86U, I have both the 2.4 GHz and 5 GHz radios enabled, and the satellite AC86U has only the 5 GHz radio enabled. I did this because the 2.4 GHz band on the main AC86U does sufficiently cover the entire house.
This dual router setup has been 100% reliable since the day I set it up. My router settings are fairly simple. No attached storage because I have a dedicated NAS. I have several ports on my "server" computer forwarded. The VPN server on the router is enabled, and I use it routinely without issue. Most of the other bells and whistles are disabled. I'm not using traffic monitoring, nor am I using AiProtection. No gamers on my network. I have a typical range of devices connecting - several computers, several phones, security cameras, NAS, printer. All work without issue. WiFi speeds with a strong signal are as good as can be expected. My MacBookPro with 3x3 5 GHz consistently has a 1300 mbps link speed in the vicinity of either router, and transfers to/from my server computer from this laptop go at 70 MB/s. LAN speeds over ethernet are quite fast. If I set up jumbo frames, I can saturate the 1GB/s ethernet between my server computer and NAS in both read and write mode. Its a bit slower with a standard MTU.
I will say that obtaining good hand-off between the two AC86Us as people move from location to location in the house took a bit of tuning. I had to enable the Roaming Assistant option on the main AC86U to kick devices off it when the 5 GHz signal strength falls below -66 dBm. Something like this has to be done because most devices don't readily disconnect from one access point until signal strength is in the pits, even when there is another high strength access point in the vicinity.
To summarize again, this is a great, inexpensive, high performance router in my experience.
04/05/2020 UPDATE
I'm puzzled by the nearly 20% 1-star reviews because I now have four of these in service, two at my house and two at my cabin (large property), and all of them work perfectly. Either I've been really lucky with all four, or there is something about the settings and/or other equipment for some people that is causing issues.
07/21/2021 UPDATE
My four RT-AC86Us continue to work flawlessly. Performance and functionality of the devices continue to improve as ASUS and Merlin continue to improve the firmware for this router and other ASUS routers. At the current price of $150, this is an outstanding router to have even considering that AX (WIFI 6) routers are now available. IMHO, WIFI 6 is a bit of a gimmick. 98% of people will not benefit from WIFI 6 even if your laptop/phone/tablet are WIFI 6. There just aren't many needs for that kind of speed, and the reality is that the half-duplex nature of all wifi along with the additional error checking result in a data transmission latency that reduces the value of a very high speed wifi protocol.
| Wireless Type | 802.11n, 802.11ax, 802.11ac, 802.11.be |
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