Amazon
USB 2.0 to 1S Serial Interface RS-422/485 16C550 FIFO buffer with 16 bytes Power supply from USB bus LED display for RX and TX Data transfer rate up to 921.6K baud
USB 2.0 to 1S Serial Interface RS-422/485 16C550 FIFO buffer with 16 bytes Power supply from USB bus LED display for RX and TX Data transfer rate up to 921.6K baud