Based on this product's specifications, here are some alternatives and similar models
SFP Fiber Optic Transceiver TP-LINK ISM311LM — 1.25 Mbit/s, 850 nm, LC, 550 m, grey
Summary description:
TP-LINK ISM311LM is an SFP fiber-optic transceiver module for short-range Ethernet links. It supports up to 1.25 Mbit/s data rate at 850 nm wavelength, LC (UPC) connector and a reach of up to 550 m. The module uses a 3.3 V input, has 1.25 Gigabit Ethernet interface compatibility, grey housing and FCC/CE certification, suitable for switch and router uplinks.