Does Chanalyzer 5 Support 802.11ax?

Yes!

Spectrum Analysis 802.11ax Support

Wi-Spy DBx is a spectrum analyzer. It hears all raw radio frequency activity in the 2.4 and 5 GHz bands, including 802.11ax activity.

A spectrum analysis example, showing 80 MHz Wi-Fi activity.

Wi-Fi Scanning 802.11ax Support

Using inSSIDer Wi-Fi scanning technology, Chanalyzer 5 also overlays Wi-Fi scanning data on the spectrum analysis data provided by Wi-Spy. This Wi-Fi data is provided by your wireless adapter. Any dual-band adapter will also display 802.11ax channel widths and data rates.

More Information

For a more detailed explanation of Chanalyzer's support of 802.11ax support, see 802.11ax (Wi-Fi 6) Support in MetaGeek Products.