Wi-Fi 7 is arriving faster than most cabling plans

Two years ago, Wi-Fi 7 was a rounding error in enterprise networking. Today it’s the majority.

According to IDC, Wi-Fi 7 made up 53% of enterprise dependent access point revenue in 2Q26, about $1.4 billion and up 219.5% year over year. In 1Q24 it was under 1%. In the Americas alone, the enterprise WLAN market grew 21.6% to $1.5 billion in the quarter.

That speed matters for anyone who owns the physical layer. Access points get replaced on a refresh cycle. Cabling, switches and power budgets often don’t, and that’s where Wi-Fi 7 upgrades run into trouble.

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What changes with Wi-Fi 7

Wi-Fi 7 (IEEE 802.11be) adds three capabilities that matter for infrastructure:

• 320 MHz channels in the 6 GHz band, double the maximum channel width of Wi-Fi 6E.
• 4096-QAM, which packs more data into every transmission.
• Multi-Link Operation (MLO), which lets devices use several bands at the same time.

The result is a lot more traffic per access point. And all of it has to go somewhere: down the cable, into a switch port, and up through the uplinks.

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1. Check Your PoE Budget First

The first surprise on many Wi-Fi 7 projects is power.

Some enterprise Wi-Fi 7 access points need 802.3bt (PoE++) for full functionality. On lower-power 802.3at ports they still run, but with reduced capability. One manufacturer’s documentation, for example, shows a tri-radio model dropping its radios from 4×4 to 2×2 when all three are active on 802.3at power.

That means an AP can look fine on install day and still underperform for years.

What to check:

• The PoE class each new AP model needs for full operation, from the manufacturer’s spec sheet.
• The total PoE budget of each switch, not just the per-port rating.
• The headroom left after cameras, phones, access control and other PoE devices on the same switch.

A quick example: a switch that comfortably powered 24 Wi-Fi 6 APs may not have enough total budget for 24 higher-draw Wi-Fi 7 APs, even if every port supports PoE++.

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2. Look Past 1G Switch Ports

A Wi-Fi 7 AP connected to a 1G port caps its own throughput at the switch.

Most enterprise Wi-Fi 7 APs ship with multi-gig uplinks: 2.5G, 5G or 10G. To use them, the switch port has to match.

What to check:

• Port speeds on the access switches serving AP locations.
• Uplink capacity from access switches to the core. More traffic per AP adds up fast across a floor.
• Whether existing runs support the speed you’re planning. Multi-gig standards (IEEE 802.3bz) let 2.5G and 5G run over many existing runs, while 10GBASE-T at full distance calls for Cat 6A.

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3. Plan for More Drops in 6 GHz

The 6 GHz band delivers the capacity Wi-Fi 7 is known for, but its signal doesn’t get through walls and obstacles as easily as 2.4 GHz.

In practice, coverage designs built around 6 GHz often call for more access points, closer together, especially in offices with dense walls, glass or heavy occupancy. More APs mean more cable drops, more switch ports and more PoE.

What to check:

• A predictive or on-site survey designed for 6 GHz, not reused from a 5 GHz layout.
• Spare drops at likely future AP locations, while ceilings are open.
• Pathway capacity in trays and conduits for the extra runs.

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4. Treat Documentation as Part of the Upgrade

Every refresh is easier when the next team knows exactly what’s in the ceiling.

What to check:

• Labeled cables and ports, matched to an up-to-date drawing.
• Test results for every new run, kept with the as-builts.
• A record of which switch ports feed which APs, with their PoE class.

On multi-site projects, a single documentation standard across every location saves time on every future visit.

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The Takeaway

Wi-Fi 7 adoption is moving faster than most infrastructure refresh cycles. Planning the upgrade from the cable up, with power, ports, coverage and documentation, keeps new access points from being held back by the network behind them.

Planning a Wi-Fi 7 rollout or a cabling refresh? Talk to our team about your infrastructure plan before the new APs arrive.

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Sources:

• IDC, 2Q26 Enterprise WLAN, 10 sep 2026
• IDC, 1Q26, 16 jun 2026
• Juniper, PoE requirements