The DP-RA01 is typically installed using a wall-mounting bracket.

: The metal or plastic plate that secures the handset to your wall.

At the door camera or call button unit (e.g., Commax DRC-4R), match the terminals exactly:

The is an audio doorphone room station typically installed as part of a single-house intercom system. It is designed for surface mounting and operates on a universal power source of AC 100-240V . Installation Steps