WiFi 7’s MLO Is Broken (And I Have The Logs To Prove It)

Actually, I should clarify — I finally caved. Last week, I ripped out my perfectly functional WiFi 6E setup and dropped nearly a grand on a top-tier WiFi 7 mesh system. The marketing hype got to me. You know the pitch: “Multi-Link Operation (MLO) fixes latency forever,” and “320 MHz channels mean wired speeds without the wire.”

Spoiler: It’s a mess.

But we are sitting here in February 2026, two years after the WiFi 7 (802.11be) standard was finalized, and I’m staring at a ping plot that looks like a heart attack victim’s EKG. The hardware is ready. The silicon is there. But the software stack? It’s holding everything back. And if you’re thinking about upgrading your office or home lab right now, put your wallet away. Let’s talk about why the 6 GHz band isn’t the sanctuary it was in 2024, and why MLO is currently more of a bug than a feature.

The 320 MHz Trap

The biggest selling point of WiFi 7 is the massive 320 MHz channel width. In theory, this doubles the throughput of WiFi 6E’s 160 MHz channels. But in my apartment? Probably not a chance.

WiFi 7 router - Spectrum Begins Deployment of WiFi 7 Routers | Charter
WiFi 7 router – Spectrum Begins Deployment of WiFi 7 Routers | Charter

Here’s the physics problem nobody puts on the box: Noise floor.

I tested this yesterday with a Pixel 10 Pro and my new router. Standing five feet away? 3.8 Gbps. Amazing. But I walked into the hallway—maybe 20 feet and one layer of drywall away—and the link rate plummeted to 800 Mbps. Why? Because the router had to drop from 4096-QAM down to 256-QAM just to keep the signal intelligible over the noise.

Worse, finding a contiguous 320 MHz block in the 6 GHz spectrum is getting harder. Back in 2024, 6 GHz was a ghost town. But now? My neighbors have ISP-provided gateways broadcasting on UNII-5. If their slice overlaps with mine even a little, the whole 320 MHz wide channel suffers from interference.

MLO: The “Killer Feature” That Kills Connections

Multi-Link Operation was supposed to be the holy grail. But in practice, on Windows 11 (even with the 25H2 update), it’s a disaster. The driver implementation for the Intel BE200 card—which is in almost every laptop right now—seems to aggressively prefer the 6 GHz band even when the signal is weak, rather than falling back to a strong 5 GHz signal.

I wrote a quick Python script to monitor the BSSID switching behavior because I felt like I was going crazy. And I watched the system flap between 5 GHz and 6 GHz every 45 seconds. Each switch caused a micro-stutter in my SSH sessions. That’s not “seamless”; that’s annoying.

wireless mesh system - Google WiFi Mesh Router System (2-Pack) - Whole Home Coverage ...
wireless mesh system – Google WiFi Mesh Router System (2-Pack) – Whole Home Coverage …

The AFC Headache

Another thing people forget: Standard Power (SP) 6 GHz requires Automated Frequency Coordination (AFC). I tried setting up a bridge to my garage last weekend. The AP refused to transmit on 6 GHz because it couldn’t reach the AFC server due to a DNS misconfiguration on my Pi-hole. The fail-state wasn’t “transmit at low power”; it was “disable the radio entirely.”

Security: WPA3 is Non-Negotiable

You literally cannot use 6 GHz without WPA3. This sounds great until you try to connect that one “smart” thermostat from 2021 that claims to support WPA3 but actually crashes when it sees a PMF (Protected Management Frames) required handshake.

wireless mesh system - The 6 Best Mesh WiFi Systems — Wireless Router Reviews
wireless mesh system – The 6 Best Mesh WiFi Systems — Wireless Router Reviews

My Recommendation for 2026

Look, I love new tech. But unless you are transferring terabytes of video footage locally between two machines sitting in the same room, WiFi 7 isn’t worth the premium yet.

The sweet spot right now is actually high-end WiFi 6E gear. The prices have crashed since the WiFi 7 launch. And for the love of god, wire your stationary devices. No amount of QAM can beat a $10 Cat6 cable.

More From Author

Hello World!

Leave a Reply

Your email address will not be published. Required fields are marked *

Zeen Widget