Based on this product's specifications, here are some alternatives and similar models
SFP Transceiver Module StarTech.com GLC-LX-SM-RGD 1000BASE-LX 1GbE
Summary description:
The StarTech.com GLC-LX-SM-RGD is a 1000BASE-LX SFP transceiver module designed for single mode fiber connections. It supports a maximum data transfer rate of 1250 Mbit/s and has a range of up to 10 km. The module features an LC interface and is compatible with various Cisco devices. Its aluminum housing ensures durability, while a typical power consumption of 1 W makes it efficient.