USRobotics USR5638, 56 Kbit/s, RJ-11, V.92, V.90, V.34, V.32bis, V.32, FCC, IC, Windows Server 2003/Server 2008/XP/Vista/7, PCI Express slot
USRobotics USR5638. Kelajuan modem: 56 Kbit/s, Antara muka: RJ-11. Protokol yang disokong: V.92, V.90, V.34, V.32bis, V.32. Pensijilan: FCC, IC. Sistem pengendalian yang serasi: Windows Server 2003/Server 2008/XP/Vista/7, Keperluan sistem minimum: PCI Express slot. Jenis bekalan kuasa: AC