Based on this product's specifications, here are some alternatives and similar models
Lanview SFP RJ-45 Copper Network Transceiver Module, Compatible with Cisco GLC-T, 1000 Mbit/s, 100 m, Updated firmware
Summary description:
Lanview compatible SFP RJ-45 copper transceiver module designed for Cisco GLC-T series. Supports 1000 Mbit/s (Gigabit Ethernet) over copper up to 100 m via RJ-45 interface. SFP form factor with MSA certification and updated firmware for improved interoperability. Ideal for upgrading switches or routers to add copper Gigabit ports and replace Cisco GLC-T modules.