Based on this product's specifications, here are some alternatives and similar models
Floor stand Cisco CS-BRD55P-MM-NR-K9 / CS-BRD55P-NR-K7 for Cisco BRD55P series (MPN CS-BRD55P-FS=)
Summary description:
Floor stand designed for Cisco BRD55P series equipment, compatible with models CS-BRD55P-MM-NR-K9 and CS-BRD55P-NR-K7. Manufactured by Cisco and identified by MPN CS-BRD55P-FS=, this accessory provides a stable, dedicated base to install and position BRD55P devices in network environments. Suitable for data centers, server rooms and office network closets where a standalone mounting solution is needed.