USB to RS232/RS485/TTL Interface Converter Industrial Isolated Converter with Original FT232RL Inside, 300-921600bps Baudrate Onboard Power Isolation, Adi Magnetical Isolation : Amazon.es: Informática
ADM00276 Microchip, Demonstration Board, USB to UART with Isolation | Farnell Spain
4 ports Isolated USB – UART Converter – DuPPa
Isolated USB to TTL UART RS232 – DuPPa
4 ports Isolated USB - UART Converter with USB-C from DUPPA on Tindie
Waveshare USB to RS232/RS485/TTL(UART) Interface Converter Industrial Isolated Converter Adapter with Original CH343G Chip, up to 2 Mbps Baudrate,Onboard Power Isolation, Transient Voltage Suppressor : Amazon.es: Informática
UC-3100P Isolated USB to UART TTL converter USB to RS-232
Isolated USB to UART Converter for Arduino pro mini by Simone — Kickstarter