Based on this product's specifications, here are some alternatives and similar models
Fibre optic connector QOLTEC 54177 — Qoltec 54177
Summary description:
Fibre optic connector QOLTEC 54177 is a passive optical connector designed for joining optical fibers. It provides a mechanical interface for fiber alignment and signal transmission in fiber optic networks. Suitable for use in telecommunications, data centers and network installations where reliable fiber connections are required.