... easy installation2. No power supply needed, plug and play3. Single chip(ASIC) USB port to serial port communication4. Transmit distance ... rate: 300bps to 230400bpsSerial Communication ParametersData Bites: 5, 6, 7, 8Stop Bits: 1, 1.5, 2Parity: None, Even, ... ME and Windows2000/XP,Windows Server 2003/2008, Windows 7/VistaPhysical CharacteristicsWeight: Products only: 70gPackaged: 120gDimension: 70mm×35mm ...