Miscellaneous Electronics
FT4232 4-channel USB to TTL Serial Port FT4232HL Module Development Board 5V 3.3V Multiple Serial Port 4 Channel
FT4232 4-channel USB to TTL Serial Port FT4232HL Module Development Board 5V 3.3V Multiple Serial Port 4 Channel
https://www.bizrate.co.uk/miscellaneouselectronics/ft4232-4-channel-usb-to-ttl-oid41109246283.html