Connects 2 DB9 Devices to a USB-A DeviceRecommended for connecting a modem, digital camera, PDA or ISDN terminal to your computer, laptop or tabletSupports data transfer speeds up to 225 Kbps—twice as fast as a built-in serial portNo external power source requiredPortable 6 ft. 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