Based on this product's specifications, here are some alternatives and similar models
LevelOne 2.5Gbps Single-mode Industrial SFP Transceiver, 1310nm, 40km
Summary description:
The LevelOne 2.5Gbps Industrial SFP Transceiver is a high-performance fiber optic module designed for demanding environments. Supporting a 2500 Mbit/s data rate and 1310nm wavelength, it enables reliable connectivity over distances up to 40km. Built for industrial use, it operates in temperatures from -40°C to 85°C, ensuring stability in harsh conditions. It features an SFP interface and complies with CE, FCC, and RoHS standards for professional networking applications.