Product comparison · 2 modems

StarTech.com External USB Modem - 2-Port, 56K, Hardware Based vs StarTech.com USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -

21specifications compared
16differ
5identical
15known for one product only

Key differences

Chipset
- External USB Modem - 2-Port, 56K, Hardware Based:CX93010/LB-LINK
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:Conexant - CX93010-21Z
Upstream data rate
- External USB Modem - 2-Port, 56K, Hardware Based:0.0366 Mbit/s
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:0.036 Mbit/s
Maximum fax transfer rate
- External USB Modem - 2-Port, 56K, Hardware Based:14.4
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:14.4 Kbps
LED indicators
- External USB Modem - 2-Port, 56K, Hardware Based:Yes
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:Data
Modem (RJ-11) ports
- External USB Modem - 2-Port, 56K, Hardware Based:2
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:1
Certification
- External USB Modem - 2-Port, 56K, Hardware Based:CE, FCC, RoHS
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:CE, FCC, RoHS, REACH, TAA
Operating temperature (T-T)
- External USB Modem - 2-Port, 56K, Hardware Based:0 - 40 °C
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:0 - 60 °C
Storage temperature (T-T)
- External USB Modem - 2-Port, 56K, Hardware Based:-40 - 70 °C
- USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem -:-10 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of USB562KEMH, USB56KEMH2
36 specifications	A StarTech.com External USB Modem - 2-Port, 56K, Hardware Based Model USB562KEMH View product	B StarTech.com USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem - Model USB56KEMH2 View product
Modem1 differ
ChipsetDiffers	CX93010/LB-LINK	Conexant - CX93010-21Z
Performance3 differ
Supported data transfer ratesDiffers	56, 36.6, 14.4	56 Kbps Down, 36.6 Kbps Up, 14.4 Kbps Fax
Upstream data rateDiffers	0.0366 Mbit/s	0.036 Mbit/s
Downstream data rateKnown for one	Unknown — not stated by the source	0.056 Mbit/s
Maximum fax transfer rateDiffers	14.4	14.4 Kbps
Supported protocolsKnown for one	Unknown — not stated by the source	Modem ITU-T V.92 / V.90, V.34, V.32bis, V.32, V.22bis, V.22, V.23, V.21 Bell 212A, Bell 103 Fax V.17, V.29, V.27 Ter, V.21 channel 2 Data V.44, V.42bis, MNP 5
Data compressionKnown for one	V.44, V.42bis, MNP 5	Unknown — not stated by the source
Data transfer rateKnown for one	12 Mbit/s	Unknown — not stated by the source
Features1 differ
LED indicatorsDiffers	Yes	Data
USB connector typeKnown for one	USB Type-A	Unknown — not stated by the source
Ports & interfaces1 differ
Modem (RJ-11) portsDiffers	2	1
System requirements1 differ
Compatible operating systemsDiffers	- Windows 8 / 8.1 (32/64bit), 7 (32/64), Vista (32/64), XP (32/64), 2000 - Windows Server 2012, 2008 R2, 2003 - Mac OS 10.7 +	- Windows 7, 8, 8.1, 10 - Windows Server 2008 R2, 2012 R2, 2016, 2019 - Mac OS 10.9 to 10.10 - Linux kernel 3.16 to 4.4 LTS
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Certificates2 differ
Compliance certificatesDiffers	RoHS, CE, Federal Communications Commission (FCC)	RoHS, CE, Federal Communications Commission (FCC), REACH, Trade Agreements Act (TAA)
CertificationDiffers	CE, FCC, RoHS	CE, FCC, RoHS, REACH, TAA
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 60 °C
Storage temperature (T-T)Differs	-40 - 70 °C	-10 - 70 °C
Weight & dimensions3 differ
DepthDiffers	228 mm	77 mm
WeightDiffers	40 g	28 g
WidthDiffers	35 mm	27 mm
Packaging contentidentical
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Packaging data2 differ
Package depthKnown for one	Unknown — not stated by the source	166 mm
Package dimensions (WxDxH)Differs	145 x 170 x 30 mm	136 x 163 x 32 mm
Package heightKnown for one	Unknown — not stated by the source	36 mm
Package weightDiffers	106 g	136 g
Package widthKnown for one	Unknown — not stated by the source	139 mm
Logistics dataidentical
Master (outer) case heightKnown for one	Unknown — not stated by the source	369 mm
Master (outer) case lengthKnown for one	Unknown — not stated by the source	379 mm
Master (outer) case widthKnown for one	Unknown — not stated by the source	725 mm
Products per master (outer) caseKnown for one	Unknown — not stated by the source	100 pc(s)
Poweridentical
USB poweredKnown for one	Yes	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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