The StarTech.com USB to Serial RS232 Adapter Cable with COM Retention is a versatile and efficient device that allows you to easily connect your computer's USB port to a serial RS232 device. With a 1:1 connection split/duplication, this adapter ensures a reliable and stable connection for your serial devices. Its durable construction and compatibility with universal brands make it a convenient and practical solution for various computer networking needs. Made in Japan, this adapter showcases quality craftsmanship and performance.