Tripp Lite USB 2.0 USB-C to DB9 Adapter Cable USB-C to RS-232 M/M 5' 5ft serial adapter - USB-C - RS-232

Supports data transfer speeds up to 230 Kbps Premium foil and braid shielding reduces EMI/RFI interference Compatible with Windows , Mac , Linux and Android devices No external power source required Portable 5 ft. design fits perfectly into laptop bag