FRITZ! ISDN-Controller C2 vs FRITZ!X USB V3.0

Comparison of ISDN-Controller C2, FRITZ!X USB V3.0

18 specifications	A FRITZ! ISDN-Controller C2View product	B FRITZ! FRITZ!X USB V3.0View product
Technical details1 differ
Cables includedKnown for one	—Unknown — not stated by the source	USB
Compatible operating systemsDiffers	Microsoft Windows 2000/NT 4.0/Linux/Novell NetWare 4.x	Microsoft Windows XP, Windows Me,Windows 2000 Professional, Windows 98
Connector(s)Known for one	—Unknown — not stated by the source	1 x RJ-45, 4 x RJ-11
Short Message Service (SMS)Known for one	—Unknown — not stated by the source	Yes
Interface typeKnown for one	PCI	—Unknown — not stated by the source
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	—Unknown — not stated by the source	1
Data link protocolsKnown for one	ISDN	—Unknown — not stated by the source
Modemidentical
Connectivity technologyKnown for one	—Unknown — not stated by the source	Wired
Modem speedKnown for one	128, 14.4	—Unknown — not stated by the source
System requirements1 differ
Minimum RAMDiffers	16 MB	64 MB
Minimum processorKnown for one	CPU with 270 MIPS at 233 MHz	—Unknown — not stated by the source
Poweridentical
AC input voltageKnown for one	—Unknown — not stated by the source	230 V
AC input frequencyKnown for one	—Unknown — not stated by the source	50 Hz
Weight & dimensionsidentical
WeightKnown for one	—Unknown — not stated by the source	1.42 kg
DepthKnown for one	—Unknown — not stated by the source	32 mm
HeightKnown for one	—Unknown — not stated by the source	137 mm
WidthKnown for one	—Unknown — not stated by the source	185 mm
Certificatesidentical
CertificationKnown for one	—Unknown — not stated by the source	CE

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.