Based on this product's specifications, here are some alternatives and similar models
Connector DATACOM 4220 2 x RJ45 STP Cat5E Silver, shielded modular coupler
Summary description:
DATACOM 4220 is a shielded (STP) modular coupler with two RJ45 Cat5E ports in a silver finish. It enables direct joining of two Ethernet cables to extend or reconfigure network runs without rewiring. Suitable for Cat5E networks, it preserves cable shielding to reduce interference and supports typical 100 Mbps Ethernet applications in offices, server rooms and home networks.