U.S. Robotics 5637 56K USB Hardware Fax Modem - USB - 1 x RJ-11 Phone Line - 56 Kbps
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Wi-Fi & Networking

U.S. Robotics 5637 56K USB Hardware Fax Modem – USB – 1 x RJ-11 Phone Line – 56 Kbps

$76.99
U.S. Robotics USR5638 Data Modem - PCI Express x1 - 56 kbit/s
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Wi-Fi & Networking

U.S. Robotics USR5638 Data Modem – PCI Express x1 – 56 kbit/s

$44.99
U.S. Robotics 5686G Data/Fax Modem - Serial - 56 kbit/s
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Wi-Fi & Networking

High-Speed U.S. Robotics 5686G 56K Fax Modem – Serial Interface, V.92 & V.90 Compatible

$108.93