Based on this product's specifications, here are some alternatives and similar models
LevelOne 2.5Gbps Single-mode SFP Transceiver, 1550nm, 40km
Summary description:
The LevelOne 2.5Gbps Single-mode SFP Transceiver is a high-performance fiber optic module designed for long-distance data transmission up to 40km. Operating at a 1550nm wavelength, it provides a reliable 2500 Mbit/s data transfer rate. This SFP module is ideal for network infrastructure upgrades, featuring low power consumption of 1W and full compliance with international safety and quality standards including CE, FCC, and RoHS.