Do the Wall CATs come with the mounting box? How do I attach the plate to my wall?
The Wall CATs are designed to fit in standard 2 gang US wall boxes. Low voltage or electrical boxes will work. The boxes are not included with the product.
For new construction - Carlon B232ACP
For existing construction - Carlon SC200RR
https://www.homedepot.com/p/Carlon-2-Gang-Low-Voltage-Mounting-Bracket-SC200RR/202077405
If you are unable to locate mounting boxes in your country, please reach out to us for assistance.