Abstract: A cover plate according to certain embodiments is configured for use with a mounting plate and a control system, and has a front side and a rear side opposite the front side. The cover plate includes a support substrate, a cover plate coupler, and an electronic device. The support substrate includes an opening sized and shaped to receive a spindle of a door hardware apparatus associated with the rose assembly. The cover plate coupler is configured to releasably couple with a mounting plate coupler of the mounting plate. The electronic device is mounted to the support substrate, and includes a first electrical connector accessible from the rear side of the cover plate and configured for electrical connection with a second electrical connector of the control system, and an electronic component electrically connected with the first electrical connector.