Product comparison · 2 isdn access devices

FRITZ!Card DSL USB (Annex A) vs FRITZ! ISDN-Controller C4

4specifications compared
3differ
1identical
13known for one product only

Key differences

Minimum RAM
- FRITZ!Card DSL USB (Annex A):32 MB
- ISDN-Controller C4:16 MB
Minimum processor
- FRITZ!Card DSL USB (Annex A):Pentium II 300 MHz
- ISDN-Controller C4:StrongARM SA-110 233 MHz

Side by side

Differences highlightedShow differences only

Comparison of FRITZ!Card DSL USB (Annex A), ISDN-Controller C4
17 specifications	A FRITZ! FRITZ!Card DSL USB (Annex A)View product	B FRITZ! ISDN-Controller C4 View product
Technical details1 differ
Compatible operating systemsDiffers	Microsoft Windows XP, Windows 2000 Professional, Windows Me, Windows 98	Microsoft Windows 2000/NT4.0/Linux/Novell NetWare 4.x
Interface typeKnown for one	Unknown — not stated by the source	PCI
Power consumption (typical)Known for one	Unknown — not stated by the source	3 W
Supported data transfer ratesKnown for one	Unknown — not stated by the source	128 Kbit/s
Bundled softwareKnown for one	FRITZ!DSL	Unknown — not stated by the source
Ports & interfacesidentical
Data link protocolsKnown for one	Unknown — not stated by the source	ISDN
I/O portsKnown for one	USB	Unknown — not stated by the source
Modemidentical
Modem speedKnown for one	Unknown — not stated by the source	14.4 Kbit/s
Transmission methodKnown for one	Unknown — not stated by the source	Full-duplex
Supported protocolsKnown for one	Unknown — not stated by the source	ITU V.21, ITU V.22, ITU V.22bis, ITU V.29, ITU V.32, ITU V.32bis, ITU V.34, ITU V.17, ITU V.27ter, Hayes AT command set, V.110 (I.470), V.120 (I.464), X.75, ISO8208, ITU T.70NL, ITU T.90NL
System requirements2 differ
Minimum RAMDiffers	32 MB	16 MB
Minimum processorDiffers	Pentium II 300 MHz	StrongARM SA-110 233 MHz
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Operating temperature (T-T)Known for one	0 - 70 °C	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	100 g	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	80 x 100 x 25 mm	Unknown — not stated by the source

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.

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