USR5639 56K* USB Softmodem

Manuals and other documents

Command Reference Guide (PDF) Data Sheet: US, EMEA, FR, ES, IT, DE, (PDF) Declaration of Conformity, DE, FR, IT, ES (PDF)

OS compatibility

Win11 | 2019 | 2016 | Win10 | 2012 R2 | 2012 | Win8 | 2011 | Win7 | 2008 | Vista | Vista 64 | XP 64 | 2003 | XP | 2K | Me | 98 SE | 98 FE | 95 | Linux | Mac OSX

IMPORTANT NOTE: Microsoft's January 13, 2026 Windows update closes several security gaps, which includes removing legacy modem drivers! THIS MODEM WILL NOT FUNCTION IN ANY VERSION OF WINDOWS THAT HAS RECEIVED THAT UPDATE OR ANY LATER WINDOWS UPDATES.

Drivers

Driver Version 2.2.104

  1. Download the USB_2.2.104.zip file to a temporary location on your computer's hard drive.
  2. Extract the contents of the file to a temporary location on your hard drive.
  3. Follow the on-screen instructions in order to complete the installation

USB_2.2.104.zip

Driver Version 2.2.102

  1. Download the USB_2.2.102.zip file to a temporary location on your computer's hard drive.
  2. Extract the contents of the file to a temporary location on your hard drive.
  3. Follow the on-screen instructions in order to complete the installation

USB_2.2.102.zip

Warranty

North America: 1 year
EMEA: 2 year
USR5639 product photo
RoHS compliant

Additional support

If the support information in this section does not help you solve your issue, you can contact a USR helpdesk technician directly.