here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversationAny questions? Ask CelesteSM will help you find out quickly.
This M.2 to dual RS232 adapter adds two DB9 serial ports via PCIe 2.0 x1. Built to industrial standards, it is a space-saving COM expansion choice for embedded systems and industrial control terminals lacking native serial interfaces.