U.S. Robotics Courier USR3453C Analog Modem

Serial - 1 x RJ-11 Modem - 56 Kbps

U.S. Robotics USR5638 Data Modem

PCI - 56 kbit/s

U.S. Robotics 5686G Data/Fax Modem

Serial - 56 kbit/s

U.S. Robotics 56K* USB Softmodem

USB - 1 x Modem (RJ-11) - 56 kbit/s

U.S. Robotics V.92 56K Faxmodem

PCI - 1 x RJ-11 Modem - 56 Kbps

U.S. Robotics 5637 56K USB Hardware Fax Modem

USB - 1 x RJ-11 Phone Line - 56 Kbps