Based on this product's specifications, here are some alternatives and similar models
Power adapter Atte SDIP-20-AD0 PoE step-down adapter SDIP-20-AD0
Summary description:
Atte SDIP-20-AD0 is a PoE step-down power adapter designed to convert Power over Ethernet to a lower DC voltage for compatible devices. It provides a compact solution for powering non-PoE equipment from PoE networks, useful for IP cameras, access points or sensors that require reduced supply voltage. The unit supports standard PoE input and supplies stabilized DC output for site installations and retrofit deployments.