Based on this product's specifications, here are some alternatives and similar models
DeLOCK Adapter USB Type-C to RS-232 D-Sub 9 pin male 2 m
Summary description:
The DeLOCK Adapter USB Type-C to RS-232 D-Sub 9 pin male features a 2 m cable length, supports data transfer rates up to 0.45 Gbit/s, and includes a FIFO buffer of 256 B. Ideal for connecting serial devices to USB Type-C hosts.