Enhance your faxing experience with the US Robotics 5686G 56K V.92 External Serial Data Fax Sportster modem. This modem, made by USRobotics, allows you to transmit data at a maximum downstream data rate of 56 KBps. Its black color and serial (RS-232) ports make it a perfect fit for your home networking and connectivity needs. The modem device type is dial-up modems, making it an ideal choice for anyone looking for a reliable fax machine. With its brand name synonymous with quality, the US Robotics 5686G is an excellent choice for those in the market for a new modem.