Based on this product's specifications, here are some alternatives and similar models
Wall Mount Bracket UN USL-38/400 – angled wall bracket for mounting equipment, model SS1302 USBC
Summary description:
Angled wall mount bracket UN USL-38/400 (model SS1302 USBC) is a metal mounting accessory designed to secure equipment to vertical surfaces. Provides angled support for devices, enabling stable installation and space-saving placement. Suitable for AV devices, small racks, shelves or other equipment requiring rigid wall attachment. Practical for installations in homes, offices and commercial sites.