Tried again latest rtw89-kmp-default to no avail. Found TX20E PCI WiFi adapter breaks Linux shutdown/suspend - it boots up after shutdown/suspend - Unix & Linux Stack Exchange. Followed the instructions given and got a 111M monster:
i4130:~ # ll -h /usr/lib/modules/6.9.1-1-default/kernel/drivers/net/wireless/8852be.ko
-rw-r--r-- 1 root root 111M May 27 05:44 /usr/lib/modules/6.9.1-1-default/kernel/drivers/net/wireless/8852be.ko
i4130:~ #
However resume from suspend to RAM now works without further ado.