D-Link Modem EN 56K ext W9x Voice-Fax LNX, 56 Kbit/s, Built in DTE interfaces: Parallel 16550A UART-compatible interface; Serial ITU-T V.24..., V.34, V.32bis, V.22bis, V.22A/B, V.23 and V.21; Bell 212A and 103 Industry Standard AT command set, Microsoft Windows 95/Windows 98/Windows ME/Windows 2000/Windows NT 4.0/Windows XP, 0 - 50 °C, 5 - 95% D-Link Modem EN 56K ext W9x Voice-Fax LNX. Modem speed: 56 Kbit/s, Interface: Built in DTE interfaces: Parallel 16550A UART-compatible interface; Serial ITU-T V.24.... Data link protocols: V.34, V.32bis, V.22bis, V.22A/B, V.23 and V.21; Bell 212A and 103 Industry Standard AT command set. Compatible operating systems: Microsoft Windows 95/Windows 98/Windows ME/Windows 2000/Windows NT 4.0/Windows XP