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Locate your product code in the boxes below to go to your product support page for information on the latest drivers, firmware, and upgrades. Not sure what product you have? Visit Support 101 to learn what to look for and how to find your Product Code/Number. Finally, register your product to receive critical updates and assure your product warranty.
Looking for Windows Server 2019, 2016, 10, Server 2012, 2011, 8, 7, 64 bit, or other Windows drivers? Check your product's support page to see if they are already included in your operating system or are available for download or check for Windows Compatibility.
Attention to all customers expecting responses from the support technicians: If a response is overdue please make sure to check the spam filter or junk mail folders. You MUST use our technical support email form for initial contact.
Contact Technical Support via email to determine which product you have, help downloading files, or for additional questions.
Don't see your model number in the boxes or listed above? Check the FCC Model Number or Chipset Number pages to see if you are looking up the right number.
4G Cellular Gateways:
USR3513
External CDMA/GSM Gateways:
USR3500, USR3510, USR3520
Expansion Cards:
USR3516-EMU
Copper Network Taps & Regenerators:
USR4503, USR4504, USR4523, USR4524, USR4524-mini
Fiber Network Taps:
USR4515LC, USR4516LC, USR4525, USR4526
Console Server Hybrids:
USR4204
External Analog Modems:
USR3453C, USR5637, USR5639, USR5686G-PRO (64-005686-07R), USR5686G (64-005686-06R)
Internal Analog Modems:
USR5610C, USR5638, USR5670
OEM Modems:
USR2980-OEM, USR802981-OEM, USR263093-OEM