DriverGenius4XRS232-C 4-Port Industrial USB-C to Serial RS232 DB9 Adapter with LED (USB Type-B to USB Type-C Cable Adapter)

DriverGenius Industrial USB-C to Serial DB9(RS232) Converter 4-Port - 4XRS232-C, Compatiable with Windows 11, macOS 15.1.1

StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9 pin RS232 Null Modem Cable - 2 meter, Black (SCNM9FF2MBK)

DriverGenius USB232A-B-A | USB to Serial (RS232, DB9) Adapter with 3 LEDs - Compatible with Windows 11 and macOS 15