Wang External 9648 Fax/Data Modem

56K USB Data/Fax Modem – External Dial-Up Modem

USB 56K External Dial Up Voice Fax Data Modem Windows 10 / 8 / 7 / XP / Vista

US Robotics Sportster 33.6 Fax Modem Model 0459 External Vintage 1997 Untested

Options by IBM External 33.6K Data Fax Modem MT2834BL NO Power Supply

Multitech Systems MT5634ZBA 56Kbps Data/Fax USB Multi Modem - Power & Connectors

Vintage Apple Modem 300 External A9M0300 Untested Original Cable

HP/Multitech MT5634ZBA 56K Data/Fax Modem No Cables, Untested