Plan 6 GHz Wi-Fi 6E/7: channel count for your regulatory domain, LPI or standard-power EIRP and the resulting cell radius.
6 GHz power is regulated as a power spectral density, so a wider channel is allowed more total EIRP up to a fixed ceiling. Inverting the free-space path loss equation at 6.5 GHz turns that EIRP and the client's sensitivity into a line-of-sight cell radius. 6 GHz is the first Wi-Fi band with enough spectrum for genuine one-AP-per-channel reuse, but LPI power limits mean cells are smaller than the 5 GHz ones they replace, so AP counts go up.
6 GHz Wi-Fi
channels = spectrum ÷ width; EIRP = min(cap, PSD limit + 10·log10(width)); radius solves 20·log10(d_km) + 20·log10(6500) + 32.44 = EIRP − sensitivity.
channels = spectrum ÷ width; EIRP = min(cap, PSD limit + 10·log10(width)); radius solves 20·log10(d_km) + 20·log10(6500) + 32.44 = EIRP − sensitivity. 6 GHz power is regulated as a power spectral density, so a wider channel is allowed more total EIRP up to a fixed ceiling. Inverting the free-space path loss equation at 6.5 GHz turns that EIRP and the client's sensitivity into a line-of-sight cell radius.
6 GHz is the first Wi-Fi band with enough spectrum for genuine one-AP-per-channel reuse, but LPI power limits mean cells are smaller than the 5 GHz ones they replace, so AP counts go up.
This calculator takes 5 inputs: Available 6 GHz spectrum, Channel width, Low-power indoor (LPI) rather than AFC standard power, 6 GHz radios in the coverage area, Client receiver sensitivity. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.