Based on this product's specifications, here are some alternatives and similar models
SFP Module Cisco GLC-EX-SMD
Summary description:
The Cisco 1000BASE-EX SFP Module is designed for Gigabit Ethernet deployments, offering a maximum data transfer rate of 1000 Mbit/s. This hot-swappable fiber optic transceiver is compatible with Cisco ME 3400 and Cisco Catalyst 3750. It comes with a 5-year standard warranty, ensuring reliability and performance. Dimensions: 143 mm x 158.8 mm x 44.5 mm. Origin: China.