US Robotics Sportster Voice 28.8 Faxmodem - Peripheral - Computing History
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
US Robotics Model 0701 Sportster Fax Modem 28.8 V.34 and 53.6 Fax Modem | eBay
US Robotics CJE-0340 28.8K External Fax Modem- No AC adapter | eBay