US Robotics Faxmodems x 2 - 56K - 33.6K - Dialup

New Sealed-US Robotics 56K Faxmodem Vintage Computing Internet Access Modem [2A]

U.s. Robotics 3453 56k Business Modem - Modem , NO PSU

New US Robotics 56K 5630 Faxmodem Vintage Computing Internet Access Modem

US Robotics USRobotics 56K v.92 v.90 Fax Dial Up Dialup External USB RJ11 Modem

US Robotics 56K Faxmodem USB with No PSU

3COM RARE FIND, U.S.Robotics 56K ,Fax Modem Including all cables/connections.

3Com US Robotics 56K Voice Faxmodem with No PSU US Robotics UEM43958A96N