Based on this product's specifications, here are some alternatives and similar models
Delock Serial Cable RS-232 D-Sub 9 Pin Male to JST XH 4 Pin Female 25 cm
Summary description:
This Delock serial connection cable features a D-Sub 9-pin male connector on one end and a JST XH 4-pin female connector on the other. With a length of 25 cm, it is designed for reliable RS-232 data transmission in electronic devices, industrial equipment, and custom hardware projects requiring specific interface connectivity.