uotek

UOTEK UT-2201 Port-powered, RS-232 to RS-485/422, Mini-size

UOTEK UT-8801 USB to RS-232 Converter ver2.0(1-port USB to RS-232 Serial Converter with ESD protection)

UOTEK UT-885 USB to RS-485/422 Interface Protocol Vonverter (1-port USB to RS-422/485 Serial Converter with ESD protection)

UOTEK UT-890A 1-port USB to RS-485/422 Serial Converter with ESD protection