Based on this product's specifications, here are some alternatives and similar models
InLine Serial extension 9pin male/female moulded 12232 2m
Summary description:
The InLine Serial extension features a 2m length with a 9pin male to female connection, ensuring a reliable 1:1 assignment. The moulded design provides durability and ease of use. Ideal for connecting devices with 9pin Sub D connectors, this beige cable is perfect for various applications.