US Robotics 000839-09 External US Robotics Sportster 28.8 Data / Fax Modem
US Robotics Sportster Modem Macintosh 28.8 V.34 33.6 Faxmodem WITH POWER ADAPTER | eBay
US Robotics Modems
RetroTech Chris on Twitter: "Testing out my "new" US Robotics 56K Faxmodem. Dialed up the Diamond Mine BBS. Sound on if you like modem sounds. https://t.co/4yoKUNi1ji" / Twitter
USRobotics Sportster Fax Modem (Serial) – Apple Rescue of Denver
US Robotics Sportster Voice 28.8 Faxmodem - Peripheral - Computing History