Mini Specs Modem speed: 56 Kbit/s
Interface: RJ-11
Supported protocols: V.92
V.90
V.34
V.32bis
V.32
Certification: FCC
IC
Compatible operating systems: Windows Server 2003/Server 2008/XP/Vista/7
Minimum system requirements: PCI Express slot
Power supply type: AC

Mini Specs Modem speed: 56 Kbit/s
Interface: USB
Certification: FCC approved IC approved UL/CUL listed TBR-21
Compatible operating systems: Windows 2000/XP/VistaTM Mac 10.4 + Linux 2.4.20 kernel +
Minimum system requirements: CD-ROM USB
Minimum processor: Pentium 3
Dimensions (WxDxH): 98.6 x 38.1 x 22.4 mm
Weight: 120 g
Package dimensions (WxDxH): 137 x 95 x 153 mm
Package weight: 230 g

Mini Specs Modem speed: 56 Kbit/s
Interface: USB
Fax compatibility: T.31
Certification: FCC IC UL/CUL CE RoHS
Compatible operating systems: Windows Server 2011/ Win 7/ Server 2008/ Vista / Server 2003/POSReady/XP - 32 / 64 bit
Weight: 45 g
Depth: 30 mm
Height: 21 mm
Package weight: 136 g
Package depth: 136 mm
Package height: 30 mm

Mini Specs Modem speed: 56 Kbit/s
Certification: CE Class B FCC Part 15 Class B/Part 68 IC UL CUL
Compatible operating systems: Windows Server 2011
Win 7 64 bit
Win 7
Server 2008 64 bit
Server 2008
Vista 64 bit
Vista,...
Depth: 114.3 mm
Height: 34.9 mm
Width: 152.4 mm
Package weight: 200 g
Package depth: 170 mm
Package height: 65 mm

Mini Specs Modem speed: 56 Kbit/s
Interface: Serial
Type: External
Maximum fax transfer rate: 14.4 Kbps
Data link protocols: V.92
V.90
V.34
V.32bis
V.32
V.22bis
V.22
V.23
V.21
Compatibility: PC
Certification: RoHS FCC approved (Part 15/Part 68) IC approved (ICES-003/CS-03) UL/CUL listed CE
Compatible operating systems: Windows 3.1/95/98/Me/NT 4.0/2000/XP Windows Server 2003 Windows XP 64-bit Windows Server 2003...

Mini Specs Modem speed: 56 Kbit/s
Interface: USB
Data link protocols: v.92 / v.90 / v.34 / v.32bis / v.23 / v.22 / v.21
Supported protocols: ITU v.92 115.2Kbps DTE 56Kbps
Data compression: ADPCM
Compatible operating systems: Windows 98/2000/NT/ME/XP
Linux