Based on this product's specifications, here are some alternatives and similar models
SFP transceiver module D-Link DEM-311GT
Summary description:
The D-Link DEM-311GT is a fiber optic SFP transceiver module with a maximum data transfer rate of 1000 Mbit/s. It operates at a wavelength of 850 nm and is designed for reliable performance in networking applications. The module features a metallic housing made of durable metal, ensuring longevity and stability. It is compliant with MSA and RoHS standards, making it an environmentally friendly choice. Dimensions are 13.8 mm x 57.2 mm x 8.5 mm, with a maximum voltage of 6 V.