RetroTech Chris on X: "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" / X
US Robotics External Serial Maintenance Modem (Courier v.Everything) - Professionally Refurbished — iStream Communications
US Robotics 14,400 Fax Modem | eBay
US ROBOTICS 28,800FAX MODEM 28.800 V.32 bis SPORTSTER NO POWER ADAPTER UOS | eBay
The Gadget We Miss: The US Robotics Courier Modem | by Richard Baguley | People & Gadgets | Medium