Cnet USB 2.0 56 Kbps Data ITU-T V.92 MDM USB MODEM - CMU-470 Product Type: Data Modem Host Interface: USB 2.0 Interfaces/Ports: 1 x RJ-11 Phone Line Interfaces/Ports: 1 x USB 2.0 USB Modem/Fax Data Rate: 56 Kbps Data ITU-T V.92 Form Factor: External