Channel Width and Power Spectral Density

Best Practices for Wi-Fi 6E (Tri-Band) including Voice, with Aruba WLAN Infrastructure
Introduction
Device Settings
Common Infrastructure Setting Recommendations
Aruba Infrastructure Setting Recommendations
- PSC Enforcement
Security Recommendations While Deploying Zebra Clients in 6GHz Network
Zebra-Recommended WLC and AP Models by Vendor
Channel and Regulatory Information
Band Preference
Reduced Neighbor Report and 802.11kv
Voice Calls, Video Streaming, and Conferencing
Multiuser MIMO
Zebra Devices Operating with Standard Power
Glossary of Abbreviations

The following section describes the relationship between Power Spectral Density (PSD) and Equivalent Isotropically Radiated Power (EIRP), and the channel width.

EIRP = PSD + 10 log (channel width)

For example, with a PSD of 5 dBm/MHz and a channel width of 20MHz, the EIRP is:

EIRP = 5 dBm/MHz = 10 log (20MHz) = 5 = 13 =18 dBm

320MHz channel width is not supported for Wi-Fi 6E devices and is added in the following diagrams for illustration purposes only. 320MHz channels will be added in Wi-Fi 7.