Based on this product's specifications, here are some alternatives and similar models
InLine Adapter 9 Pin Sub-D male RJ45 female metal-coated 68889M
Summary description:
The InLine Adapter 9 Pin Sub-D male to RJ45 female features a durable metal coating for enhanced protection. It allows for seamless connectivity between devices with 9 Pin Sub-D and RJ45 interfaces. Ideal for various applications, this adapter ensures reliable performance and longevity.