Based on this product's specifications, here are some alternatives and similar models
Call button module GIRA 5534902 — white, 106.5 × 106.5 mm
Summary description:
GIRA 5534902 call button module in white for intercom systems. Dimensioned at 106.5 × 106.5 mm, it is a surface-mounted accessory compatible with GIRA installations. Designed to provide a dedicated call input for door communication panels, suitable for residential and commercial entry systems where a compact, standardized actuator is required.