USRobotics US Robotics USR5686D (005686-04) 56K V.92 Faxmodem
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
Amazon.com: US Robotics usr5686e External Modem + Fax, 56 K V.92 : Electrónica