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Planning 6 GHz and Wi-Fi 7: range, walls and AP count

Last updated: October 4, 2026.

6 GHz (Wi-Fi 6E and Wi-Fi 7) adds a lot of clean spectrum, but the signal does not travel as far as 5 GHz or 2.4 GHz. Plan for more access points or tighter spacing if you want 6 GHz coverage everywhere.

Why 6 GHz reaches less far

Path loss grows with frequency. Compared with 2.4 GHz, 6 GHz loses roughly 8 dB more in free space, and about 1.5 dB more than 5 GHz. Walls hurt more at higher bands too: Signal Plan scales your wall values by 1.2 for 5 GHz and 1.35 for 6 GHz as a planning assumption.

What you gain

6 GHz offers wide channels and less interference from neighbours and legacy devices. Wi-Fi 7 adds 320 MHz channels in 6 GHz and multi-link operation. Only 6 GHz-capable clients benefit, and 6 GHz requires WPA3.

How to plan it

1. Select 6 GHz as the primary design band in step 2.
2. Keep a minimum RSSI of -65 to -67 dBm for voice, video and data.
3. Draw every wall, because 6 GHz is the least forgiving band.
4. Choose a Wi-Fi 6E or Wi-Fi 7 model, or let the tool recommend one, and compare the AP count with 5 GHz.
5. Check your country's 6 GHz rules before you buy.

Upload your floor plan and try it free: Open the Wi-Fi heatmap planner

Forecasts are planning estimates. Validate with an on-site survey before buying or installing equipment. See also the AP placement guide, the RSSI guide and planner pages by brand.

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