Digicom SNM 50, V34+, 33.6 Kbit/s, V24/V28 - RS232C, 33600, 31200, 28800, 26400, 24000, 21600, 19200, 16800, 14400, 12000, 9600, 7200, 4800, 2400,..., V.25, V34+, V34, VFast, V32bis, V32, V22bis, V22, V23, V21 Digicom SNM 50. Modem type: V34+, Modem speed: 33.6 Kbit/s, Interface: V24/V28 - RS232C. Supported data transfer rates: 33600, 31200, 28800, 26400, 24000, 21600, 19200, 16800, 14400, 12000, 9600, 7200, 4800, 2400,..., Data link protocols: V.25, Networking features: V34+, V34, VFast, V32bis, V32, V22bis, V22, V23, V21. Power supply type: 220 Vca - 50 Hz. Compatible operating systems: Windows XP/95,3.x/NT4.0/NT3.51. Weight: 4.41 lbs (2 kg), Depth: 5.91" (150 mm), Height: 1.73" (44 mm)