best way for wireless bell is disable in engineer utils bell test, remove the battery pack until your ready to learn it on to new panel.
There are lots of options out there.
best to have a list of what you want it to do and find a system you can buy that best fits your needs.
No idea surely they are made and sent to distributors so will take time to filter through, best to ask Pyronix directly?
You could flash the panel to a 64W and add a new wireless expander version 3.1.x and above.
Or buy a new 64W in a cheap wireless kit...
Separate names with a comma.