Based on this product's specifications, here are some alternatives and similar models
Fibre optic adapter SC/ST EFB Elektronik 53320.3
Summary description:
The EFB Elektronik 53320.3 fibre optic adapter features SC/ST connector types with uncoated contacts. Its blue color makes it easily identifiable. This adapter ensures reliable connections for fiber optic networks, providing excellent signal integrity and minimal loss. Ideal for various applications in telecommunications and data transmission.