Product comparison · 2 modems

StarTech.com External V.92 56K USB Fax Modem vs StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem

12specifications compared
12differ
0identical
13known for one product only

Key differences

LED indicators
- External V.92 56K USB Fax Modem:Power
- External V.92 56K USB Fax Modem – Dial up Data Modem:Yes
Operating temperature (T-T)
- External V.92 56K USB Fax Modem:0 - 70 °C
- External V.92 56K USB Fax Modem – Dial up Data Modem:0 - 55 °C
Operating relative humidity (H-H)
- External V.92 56K USB Fax Modem:5 - 95%
- External V.92 56K USB Fax Modem – Dial up Data Modem:20 - 80%
Storage temperature (T-T)
- External V.92 56K USB Fax Modem:-20 - 85 °C
- External V.92 56K USB Fax Modem – Dial up Data Modem:10 - 70 °C
Depth
- External V.92 56K USB Fax Modem:195 mm
- External V.92 56K USB Fax Modem – Dial up Data Modem:75 mm
Height
- External V.92 56K USB Fax Modem:21 mm
- External V.92 56K USB Fax Modem – Dial up Data Modem:18 mm
Weight
- External V.92 56K USB Fax Modem:50 g
- External V.92 56K USB Fax Modem – Dial up Data Modem:25 g
Width
- External V.92 56K USB Fax Modem:32 mm
- External V.92 56K USB Fax Modem – Dial up Data Modem:25 mm

Side by side

Differences highlightedShow differences only

Comparison of USB56KEM2, USB56KEM3
25 specifications	A StarTech.com External V.92 56K USB Fax Modem Model USB56KEM2 View product	B StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem Model USB56KEM3 View product
Modemidentical
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
ChipsetKnown for one	Unknown — not stated by the source	Agere/LSI SV92U2C
Performanceidentical
Supported data transfer ratesKnown for one	Unknown — not stated by the source	56/48/14.4 Kbit/s
Data compressionKnown for one	Unknown — not stated by the source	V.44
Upstream data rateKnown for one	0.047 Mbit/s	Unknown — not stated by the source
Downstream data rateKnown for one	0.055 Mbit/s	Unknown — not stated by the source
Features1 differ
InternalKnown for one	Unknown — not stated by the source	No
LED indicatorsDiffers	Power	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	1
Connector(s)Known for one	RJ-11, USB A	Unknown — not stated by the source
Poweridentical
USB poweredKnown for one	Unknown — not stated by the source	Yes
Power consumption (typical)Known for one	0.1 W	Unknown — not stated by the source
System requirements1 differ
Compatible operating systemsDiffers	Windows ME/2000/ XP(32/64bit)/Vista(32/64bit)/ Server 2008 R2/7(32/64bit)/8(32/64-bit) Mac OS 10.5 Linux kernel 2.6.18 +	Windows ME/ 2000/ XP(32/64-bit)/ Vista(32/64-bit)/ 7(32/64-bit)/ Server 2008 R2
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 70 °C	0 - 55 °C
Operating relative humidity (H-H)Differs	5 - 95%	20 - 80%
Storage temperature (T-T)Differs	-20 - 85 °C	10 - 70 °C
Weight & dimensions4 differ
DepthDiffers	195 mm	75 mm
HeightDiffers	21 mm	18 mm
WeightDiffers	50 g	25 g
WidthDiffers	32 mm	25 mm
Packaging data3 differ
Package depthDiffers	140 mm	170 mm
Package heightDiffers	131 mm	35 mm
Package weightKnown for one	Unknown — not stated by the source	180 g
Package widthDiffers	37.5 mm	142 mm

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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