On September 2, 2026, Ubiquiti released the UniFi Whole Home WiFi 7<\/a>\u2014 bundled packs of its UniFi Express 7 (UX7<\/a>) UniFi Cloud Gateway (a.k.a. \u201crouter\u201d)\u2014as the first offering in its new UniFi Whole Home WiFi Mesh category for general consumers.<\/p>\n The key to this development is the availability of its STR MLO <\/em>on the UX7, which allows this router to use a strong bonded Wi-Fi link as the backhaul (uplink) when operating as a mesh point in a UniFi Wi-Fi 7 network. <\/p>\n In other words, Ubiquiti\u2019s STR MLO is what makes its UniFi Whole Home WiFi Mesh a reality and sets it apart from other home mesh brands.<\/p>\n This post will explain this new mesh approach in detail and help you set expectations when setting up a robust Wi-Fi system in a home or business where running network cables is not <\/em>an option. <\/p>\n Related stories on<\/strong> Ubiquiti<\/strong><\/p>\n<\/div>\n<\/div>\n Let\u2019s start from the beginning.<\/p>\n The idea of a mesh Wi-Fi system<\/a> has been there for decades and is quite simple:<\/p>\n As you can imagine, the more access points you use in the system, the more Wi-Fi coverage you can have. The \u201cmesh\u201d notion\u2014the fact that you can use these access points together without <\/em>running network cables as the backhaul uplinks\u2014makes the job convenient.<\/p>\n Backhaul vs. fronthaul<\/strong><\/p>\n In network connectivity, there are always fronthaul <\/em>and backhaul<\/em>.<\/p>\n Fronthaul <\/strong>(or downlink<\/strong>) refers to the signal from a host device (such as a router)\u00a0going toward<\/em>\u00a0an end device (such as a computer). Backhaul <\/strong>(or uplink<\/strong>) is the signal from <\/em>an end device going to the host device. <\/p>\n In most cases, the backhaul and fronthaul are the same\u2014it\u2019s just a matter of perspective.<\/p>\n However, a go-between device that relays the signal, such as a network switch<\/a> or a Wi-Fi access point<\/a>, has two distinct backhaul and fronthaul ends: the backhaul (the uplink to a single host) determines the max bandwidth (to the router or the Internet) shared between all<\/em> of its connected end devices on the fronthaul (such as wired computers, Wi-Fi clients, or more go-between devices).<\/p>\n Additionally, keep the following in mind about the uplink for a wireless go-between device, such as a satellite\/extender unit (a mesh point or node) of a Wi-Fi system:<\/p>\n For the best performance and reliability, network cables<\/a> are recommended for uplink (a.k.a. wired backhaul<\/strong>), which is only possible when the go-between device has a network port, preferably a Multi-Gig<\/a> port.<\/p>\n<\/div>\n<\/div>\n Now, you can also see that the strength of the wireless uplink (backhaul) is key to a system\u2019s performance, as it determines the bandwidth available to all devices connected to a mesh point, including other mesh point(s) in a daisy-chain setup.<\/p>\n With Wi-Fi 6 and older standards, this mesh uplink uses a single band at a time, limiting the bandwidth. <\/p>\n Wi-Fi 7 introduces a key feature called Multi-Link Operation (MLO<\/a>), which combines multiple bands into a single bonded link, enabling much higher bandwidth. This Wi-Fi standard also includes the Automated Frequency Coordination (AFC)<\/a> in select hardware, which allows the 6GHz band to have the same range as the 5GHz band, further underscoring the significance of MLO.<\/p>\n However, MLO has many flavors, and they don\u2019t increase the bandwidth equally. <\/p>\n Tip<\/strong><\/p>\n That brings us to how Ubiquiti implements MLO as the link between its access points in the UniFi Whole Home WiFi Mesh approach.<\/p>\n Ubiquiti\u2019s uplink MLO was first available at the beginning of 2026 with the AirWire<\/a>, which is the first\u2014and for now still the only\u2014bridge client to use this feature as its uplink.<\/p>\n Since then, Ubiquiti has gradually made MLO available on other tri-band Wi-Fi 7 hardware, including the UDB Switch<\/a> and standalone tri-band UniFi Wi-Fi 7 access points<\/a>. <\/p>\n As mentioned above, on September 2, 2026, this feature finally arrived on the UniFi Express 7\u2014the only UniFi Wi-Fi 7 \u201crouter\u201d that can also work as an access point or a mesh point\u2014via UniFi OS version 5.2. With it, Ubiquiti\u2019s move to true UniFi mesh for the home is complete, and it introduced the UniFi Whole Home WiFi Mesh category.<\/p>\n Here are a few things to know about Ubiquiti\u2019s MLO in its UniFi Whole Home WiFi Mesh:<\/p>\n The first is that Ubiquiti uses STR <\/em>MLO, which is designed to increase the effective bandwidth of a bonded link, ensuring the link always has the highest available bandwidth.<\/p>\n For this to happen, Ubiquiti\u2019s STR MLO uses only the 5 GHz and 6 GHz bands for the bonded link. This has been confirmed by Ubiquiti and proven in my testing. <\/p>\n Mind the potential confusion:<\/span> Depending on the firmware version\u2014especially if you use the beta (Early Access) or Alpha versions of UniFi OS or UniFi Network app\u2014a tri-band Wi-Fi 7 UniFi mesh point might show the 2.4GHz band as \u201cmeshing\u201d in the interface. In this case, keep in mind that this band is not <\/em>part of the bonded STR MLO uplink.<\/p>\n The second thing to note about Ubiquiti\u2019s STR MLO is that it\u2019s available only in a UniFi system with tri-band<\/em> Wi-Fi 7 (or later) access points and only as the backhaul (uplink). <\/p>\n Specifically:<\/p>\n Finally, and most significantly, Ubiquiti\u2019s STR MLO is available throughout the entire mesh system. <\/p>\n Specifically, even in a daisy-chain setup, the STR MLO link is available in all mesh point units, including those that don\u2019t connect directly to the wired source access point.<\/p>\n This is a big advantage compared to the general implementation<\/a> of MLO in other mesh brands, where it\u2019s available only between the primary (wired) unit and the directly connected mesh points.<\/p>\n With that out of the way, let\u2019s find out more about how UniFi Whole Home WiFi Mesh works.<\/p>\n There are three terms within UniFi Whole Home WiFi Mesh that you should know, including \u201cMesh Parent\u201d, \u201cMesh Child\u201d, and \u201cMesh Connect\u201d:<\/p>\n In a UniFi mesh network, starting with Wi-Fi 7, the wireless link between tri-band<\/em> access points is generally a STR MLO connection, as mentioned above. <\/p>\n After that, here\u2019s what you keep in mind about Ubiquiti\u2019s UniFi Whole Home WiFi Mesh and its STR MLO, as confirmed in my experience:<\/p>\n With that, let\u2019s continue with the hardware options you can use to build a UniFi mesh Wi-Fi system. <\/p>\n The first thing to note is that all UniFi access points can function as mesh points\u2014that\u2019s when they use a wireless uplink. However, when you use a UniFi access point with PoE as its only <\/em>power source, it only makes sense to use that network cable as the backhaul uplink.<\/p>\n That said, you can use a mix of any tri-band UniFi Wi-Fi 7 access points to create a mesh system, and they will have STR MLO. However, currently, the only UniFi access point designed for true mesh purposes is the UniFi Express 7<\/a>, because:<\/p>\n Still, you don\u2019t need to use just UX7. Here\u2019s a summary of what hardware options you can consider to build a UniFi Whole Home WiFi Mesh to meet your needs today:<\/p>\n![\"UniFi](\"https:\/\/dongknows.com\/wp-content\/uploads\/UniFi-Dream-Router-7-and-UniFi-Express-7-in-a-Ubiquiti-UniFi-Whole-Home-WiFi-Mesh-setup-with-STR-MLO-768x1024.jpg\")
Ubiquiti UniFi Whole Home WiFi Mesh: The power of true MLO backhaul<\/h2>\n
\n
\n
\n
\n
\n
Ubiquiti\u2019s STR MLO in details<\/h3>\n
![\"Ubiquiti](\"https:\/\/dongknows.com\/wp-content\/uploads\/Ubiquiti-UniFi-Whole-Home-WiFi-Meshs-STR-MLO-in-action-shown-here-with-the-AirWire-the-UniFi-Express-7-as-a-mesh-point-and-the-UDB-Switch-771x1024.jpg\")
\n
![\"UnFi](\"https:\/\/i0.wp.com\/dongknows.com\/wp-content\/uploads\/UnFi-Whole-Home-WiFi-with-a-3-pack-UniFi-Home-Wi-Fi-7-UX7-3-in-a-daisy-chain-topology-setup.jpg?ssl=1\")
![\"UnFi](\"https:\/\/i0.wp.com\/dongknows.com\/wp-content\/uploads\/UnFi-Whole-Home-WiFi-with-a-3-pack-UniFi-Home-Wi-Fi-7-UX7-3-in-a-star-topology-setup.jpg?ssl=1\")
<\/div>
Right: <\/strong>In a star topology.
In either case, the STR MLO backhaul applies<\/figcaption><\/figure>\nUniFi Whole Home WiFi Mesh: The details<\/h3>\n
\n
\n
\n
![\"Here's](\"https:\/\/dongknows.com\/wp-content\/uploads\/Heres-the-UniFi-Express-7-UX7-meshing-with-a-U7-Pro-Max-via-an-STR-MLO-backhaul-link.jpg\")
![\"The](\"https:\/\/dongknows.com\/wp-content\/uploads\/The-UniFi-Express-7-UX7-like-all-other-UniFi-tri-band-access-points-has-both-Mesh-parent-and-Mesh-Connect-functions-and-admin-users-can-pick-which-source-access-point-it-connects-to.jpg\")
<\/div>
Right: <\/strong>Admin users can enable or disable the \u201cMesh Parent\u201d or \u201cMesh Connect\u201d function and select the Uplink Priority among the existing UniFi access points in the system.<\/figcaption><\/figure>\n\n
![\"UniFi](\"https:\/\/i0.wp.com\/dongknows.com\/wp-content\/uploads\/UniFi-Whole-Home-WiFi-Mesh-has-lots-of-options-for-users-to-tune-up-the-roaming.jpg?ssl=1\")
![\"UniFi](\"https:\/\/i0.wp.com\/dongknows.com\/wp-content\/uploads\/UniFi-Whole-Home-WiFi-Mesh-allows-for-locking-a-particular-client-to-a-specific-access-point-within-the-system.jpg?ssl=1\")
<\/div>
Right: <\/strong>UniFi Whole Home WiFi Mesh offers many options for users to manage and tune roaming (handoff), including locking a client to a specific access point (mesh point) within the system.<\/figcaption><\/figure>\nUniFi Whole Home WiFi Mesh: Hardware options<\/h3>\n
\n
\n
\n
![\"UniFi](\"https:\/\/dongknows.com\/wp-content\/uploads\/UniFi-Dream-Router-7-and-UniFi-Express-7-in-a-UniFi-Whole-Home-WiFi-Mesh-1024x892.jpg\")