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StarTech.com USB 2.0 Fax Modem - 56K External Hardware USB Dial Up V.92 Modem/ Dongle/Adapter - Computer Data Modem USB to Telephone Jack - USB 2.0 fax modem adds data & fax support to computer/laptop; For faxing POS & rural internet - Hardware based dial-up adapter/dongle - External 56K Modem | Data Fax |USB Type A |RJ11 Telephone Jack| 56 Kbps Down Data |14.4 Kbps Fax V.92

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Us Robotics USRobotics 56K* USB Softmodem - USB - 1 x Modem (RJ-11) - 56 kbit/s - ITU-T V.17, ITU-T V.27ter, ITU-T V.29, ITU-T V.21 Fax Technology - ITU-T V.92, ITU-T V.90, ITU-T V.32, ITU-T V.32bis, ITU-T V.34 Modulation

Us Robotics USRobotics 5686G Data/Fax Modem - Serial - 56 kbit/s