RS-232 Meets EIA/TIA-232F and CCITT.2 8/V.24 spec. CG-4URS232M w/ FTDI chipset * 1 Data Rate: Over 250kbps, ESD Protection for RS-232 I/O' +-15KV Easy to install, Plug & Play With LED indicate Selected PC. Compliant with USB1.1/2.0 /3.0/3.1 Spec.