Based on this product's specifications, here are some alternatives and similar models
Rack mount kit for 19" cabinets, Molex PN MX-EXTXFULLA-1, for Cambium cnMatrix switches
Summary description:
Rack mount kit designed for mounting Cambium cnMatrix switches in standard 19" server racks. Manufactured by Molex (PN MX-EXTXFULLA-1), this mounting assembly provides hardware and brackets needed to secure network switches in a rack environment. Suitable for data center and network closet installations where a compatible 19" rack mount solution is required.