Based on this product's specifications, here are some alternatives and similar models
Extralink SFP 1.25G WDM module pair 1310/1550nm single‑mode 3km SC DOM for HP/Aruba
Summary description:
Pair of Extralink SFP WDM fiber transceivers for single‑mode links, each supporting up to 1.25 Gbps. Modules operate at 1310/1550 nm with SC connectors, DOM support and a reach of up to 3 km. Designed as a matched pair and certified by FCC, they fit SFP slots and are dedicated for HP/Aruba equipment. Suitable for LAN/WAN fiber uplinks and device interconnects.