Features
            ●Compatible with USB1.1, USB 2.0 highest speed can reach 12 Mbps
            ● Supports remote wake up and power supply management
            ●Supports hot plug and PnP, Need no I/O location and IRQ setting, friendly UI
            ●Supports RS-232  full handshake protocol, support full duplex data operating mode
            ● RS-232 serial port transmission speed maximum 115.2Kbps