Product comparison · 2 modems

StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem 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 -

16specifications compared
10differ
6identical
18known for one product only

Key differences

The StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem has 2 g more weight than the 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 - (30 g vs 28 g). The 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 - has 3 mm more package depth than the StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem (166 mm vs 163 mm). The 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 - has 4 mm more package height than the StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem (36 mm vs 32 mm). Interface: USB2.0 on the StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem, USB 2.0 on the 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 -. Chipset: Conexant CX93010 on the StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem, Conexant - CX93010-21Z on the 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 -.

Interface
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:USB2.0
- 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 -:USB 2.0
Chipset
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:Conexant CX93010
- 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
Operating temperature (T-T)
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:0 - 55 °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 V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:-20 - 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
Weight
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:30 g
- 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 -:28 g
Package depth
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:163 mm
- 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 -:166 mm
Package height
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:32 mm
- 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 -:36 mm
Package weight
- External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem:150 g
- 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 -:136 g

Side by side

Differences highlightedShow differences only

Comparison of USB56KEMH, USB56KEMH2
34 specifications	A StarTech.com External V.92 56K USB Fax Modem – Hardware Based Dial up Data Modem Model USB56KEMH 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
Modem2 differ
Modem speed	56 Kbit/s	56 Kbit/s
InterfaceDiffers	USB2.0	USB 2.0
ChipsetDiffers	Conexant CX93010	Conexant - CX93010-21Z
Performanceidentical
Supported data transfer ratesKnown for one	Unknown — not stated by the source	56 Kbps Down, 36.6 Kbps Up, 14.4 Kbps Fax
Upstream data rateKnown for one	Unknown — not stated by the source	0.036 Mbit/s
Downstream data rateKnown for one	Unknown — not stated by the source	0.056 Mbit/s
Maximum fax transfer rateKnown for one	Unknown — not stated by the source	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
Featuresidentical
LED indicatorsKnown for one	Unknown — not stated by the source	Data
InternalKnown for one	No	Unknown — not stated by the source
Ports & interfacesidentical
Modem (RJ-11) ports	1	1
System requirements1 differ
Compatible operating systemsDiffers	Windows 8.1 (32/64bit), 8 (32/64), 7 (32/64), Vista(32/64), XP(32/64), Server 2012 2008 R2, 2003(32/64), 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
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS, CE, Federal Communications Commission (FCC), REACH, Trade Agreements Act (TAA)
CertificationKnown for one	Unknown — not stated by the source	CE, FCC, RoHS, REACH, TAA
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 55 °C	0 - 60 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Storage temperature (T-T)Differs	-20 - 70 °C	-10 - 70 °C
Weight & dimensions1 differ
Depth	77 mm	77 mm
Height	20 mm	20 mm
WeightDiffers	30 g	28 g
Width	27 mm	27 mm
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	Phone (RJ-11)
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Packaging data4 differ
Package depthDiffers	163 mm	166 mm
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	136 x 163 x 32 mm
Package heightDiffers	32 mm	36 mm
Package weightDiffers	150 g	136 g
Package widthDiffers	136 mm	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.

More modem comparisons

All modem comparisons