Converts USB Port into RS-232 Null Modem Serial PortSolves DCE/DTE conflicts without additional cross-wired serial cables or adaptersSupports data transfer speeds up to 256 Kbps—twice as fast as a built-in serial portNo external power source requiredPortable 18 in. design fits perfectly into laptop bagCOM retention for automatic reassigning of COM values to ports in case of disconnection or rebootIntegrated FTDI FT232RL chipsetFirst-Rate Construction for Superior Signal TransferPremium foil and braid shielding for EMI/RFI noise protectionMolded nickel-plated connectors with gold-plated contacts for optimal signal qualityIntegral strain relief for long lifeFlexible PVC jacket easy to install in tight spacesBroad CompatibilityCompatible with Windows, Mac and Linux operating systems