Dual 9 way serial adaptor (RS-232)
StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz, 1x 1080p), Integrated USB-A to C Dongle, 4in/11cm Cable, USB 3.0 to HDMI Display Adapter, Windows & macOS
C2G USB 2.0 USB-C to DB9 Serial RS232 Adapter Cable - USB / serial cable - Black
USB to Serial Adapter 1.2m with FTDI Chipset USB to D9 Male
USB to Serial Adapter 1.8m with FTDI Chipset USB to D9 Male
Tripp Lite U209-30N-IND USB to RS485/RS422 FTDI Serial Adapter Cable with COM Retention (USB-A to DB9 M/M), 30-in. (76.2 cm)
USB 2.0 Dual Serial Convertors.
