How to capture 160MHZ channel width Wi-Fi packet with M2 MacBook Pro14?

have you considered using Wi-Fi explorer, an easy to use inexpensive Utility with free trial from the Mac App Store. it can produce "spectrum" graphs like this one:

My Synology RT6600AX has a particular SSID configured for 802.11ax @ up to a 160 MHz channel but my 2023 M2 mini Pro never shows that 160 MHz channel in any connection. Neither does my 2021 16-in MacBook Pro M1 Pro. Both running Ventura 13.3.1 (a), on the same floor as the router, and about 20 feet distant with a wall (dry wall) between the router and the Macs.

This raises the question whether the Wi-Fi radio in these Macs can recognize a 160 MHz channel, or if there is some issue with my router configuration or environment.

I just read in a 2023 Apple Deployment guide where a table shows that only M2 14-in and M2 16-in MBP are capable of 160 Mhz channel bandwidth usage in the 6 Ghz band. Otherwise, it is capped at 80 Mhz channels.

are you failing to connect at 160 MHz?

where do you want to go with this?

Just as you said, it looks like that tool has not been updated to capture 160 MHz channel width.

Why do you want to do that? are you having a problem? and you not able to make a 160 MHz connection?

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Use Wi-Fi 6E networks with Apple devices - Apple Support

Using 160 MHz and 6e is odd. It seems to use another radio on the same band (or maybe the same radio at the same time) as the stuff on 5 GHz.

The article I cited include a recent Mini in that elite group.

The deployment guide has no subsection on the Mini -- maybe it is not popular in industry ?