Cisco WIC-1AM-V2, Wired, MiniSlot, Ethernet, 0.056 Mbit/s, 14.4 Kbps, 2.72" (69 mm)

Cisco WIC-2AM-V2, Wired, MiniSlot, Ethernet, 0.056 Mbit/s, 14.4 Kbps, 2.72" (69 mm)

Digi XL9-UA, 3200 Kbit/s, External, -40 - 70 °C, 7.09 x 5.12 x 1.5" (180 x 130 x 38 mm), 24 oz (680 g)

56KUSBMODEM-01 - 56K V.92 External USB Modem (RoHS)

StarTech.com 2-Port External USB Modem - 56K Hardware Based Dial-up Interent Fax Modem

US Robotics 56K USB Softmodem, 56 Kbit/s, USB, 0 - 50 °C, 20 - 80%, -20 - 70 °C, 1.59 oz (45 g)

USR5610C, 56K Performance Pro Modem (PCI Internal), bulk pack

USR5637, 56K, 1 x USB2.0, 1 x RJ11, 120g, White

US Robotics USR5638, 56 Kbit/s, RJ-11, V.92, V.90, V.34, V.32bis, V.32, PCI Express slot, 0 - 50 °C, 20 - 80%