Yes, according to Cisco’s hardware documentation, the maximum total transmit power for the 6 GHz radio, regardless of channel width is 23 dBm.
Cisco Catalyst Wireless 9166I Series Wi-Fi 6E Access Point Hardware Installation Guide - Transmit Po...
I am not a Cisco Meraki employee. My suggestions are based on documentation of Meraki best practices and day-to-day experience.
Please, if this post was useful, leave your kudos and mark it as solved.
