Based on this product's specifications, here are some alternatives and similar models
Fibre optic connector QOLTEC 54120 – single connector for optical network cabling
Summary description:
QOLTEC 54120 is a fibre optic connector designed for optical network cabling. It serves as a termination and joining component for fibre optic cables, enabling signal transmission in telecommunications and data networks. The product is suitable for installations requiring standard fibre connectivity and is used in patching, repairing or extending optical links in residential, commercial, or industrial environments.