56K* USB Dial-up External Softmodem

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Your Price: $22.99
Model: USR5639
Availability: In Stock

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Specifications & Standards


  • Data: V.92, V.90, V.34, V.32bis, V.32
  • Data Error Control/Compression: V.44/V.42/V42bis and MNP5
  • Fax: T.31 (Class 1) with V.17, V.29, V.27ter, V.21
  • DTE interface: USB Version 2.0
  • USB powered
  • Caller ID support (requires service from your local phone company; Caller ID may not be supported in some countries)
  • Hayes Compatible


  • 1 Power LED
  • Phone line interface: One RJ-11 socket


  • Temperature:
    • Operating Temperature conditions: 0 to 50 degrees C
    • Non-Operating Temperature conditions: -20 to 70 degrees C
  • Humidity:
    • Operating Humidity conditions: 20% to 80% non-condensing
    • Non-Operating Humidity conditions: 5% to 95% non-condensing

Power Consumption

  • Port Close (idle) - 75mA, 0.375W
  • Port Open (active) - 130 mA, 0.65W
  • Suspend - 2.5mA, 0.012


  • FCC approved
  • IC approved
  • UL/CUL listed
  • CE approved

Package Dimensions/Weight

  • 6.75 x 5.38 x 1.18 in (17.15 x 13.60 x 3.0 cm)
  • .30 lb (.136 kg)

Product Dimensions

  • 3.1 x 1.18 x .84 in (7.8 x 3.0 x 2.1 cm)
  • .10 lb (.045 kg)

Minimum System Requirements

  • Windows® Server 2012/Server 2011/ Win 7/ Win 8/ Server 2008/ VistaTM / Server 2003/POSReady/XP - 32 and 64 bit operating systems (Unimodem TSP/TAPI compliant)
  • Available USB port
  • Analog phone line

Package Contents

  • USRobotics 56K* USB Softmodem
  • Phone cord

Warranty Information

1-year limited manufacturer warranty from date of purchase. Click here for full warranty information.

* Capable of receiving at up to 56 Kbps and sending at up to 48 Kbps (or 31.2 Kbps with V.90 server). Due to FCC regulations on power output, receiving speeds are limited to 53.3 Kbps. Actual speeds may vary. V.92 and V.90 features require compatible phone service and support from your Internet Service Provider (ISP). USRobotics modems featuring V.92 enhancements are backward compatible and will negotiate the highest possible speed when connecting to an ISP.
† Call Waiting/Caller ID service required for utilizing Caller ID capability.

Windows Product Compatibility Windows

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