Based on this product's specifications, here are some alternatives and similar models
Serial Converter Repeater Isolator DeLOCK 87587
Summary description:
The DeLOCK 87587 is a serial converter, repeater, and isolator designed for reliable data transmission. With dimensions of 172 mm width, 65 mm depth, and 23 mm height, it ensures compatibility with various devices. This product enhances signal integrity and provides isolation to protect against electrical interference, making it ideal for industrial applications. Its robust design and functionality make it a valuable tool for any setup requiring serial communication.