... that can be used to convert any standard USB port (USB 2.0 – backward compatible) into two ... to USB port, compatible with MDT,PND.• FTDI 232BL single chip solution• RS-232 data & signals: TX, RX, RTS ... to 921,600 bps• Internal 128/385 Byte Tx/Rx Buffers• Standard DB9/M RS232 Connector;• RS422 ... CE, Mac, and Linux. Industrial Grade, FTDI solution,USB to Dual RS232 converter / adapter /serial cable, ...