Based on this product's specifications, here are some alternatives and similar models
Atte Active Ethernet and PoE converters xCOAX4-SET 18346 – set for Ethernet over coax, PoE support
Summary description:
Atte xCOAX4-SET 18346 is a set of active converters designed to transport Ethernet and PoE over existing coaxial cabling. The kit enables network extension where UTP cabling is unavailable, maintaining Ethernet connectivity and delivering power to compatible PoE devices. Suitable for CCTV, access control and network devices, it simplifies retrofit installations and reduces cabling work.