Product comparison · 2 modems

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 - vs Zyxel P-870MH-C1 VDSL2 Modem

9specifications compared
8differ
1identical
28known for one product only

Key differences

The Zyxel P-870MH-C1 VDSL2 Modem has 99,944 Kbit/s more modem speed 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 - (100000 Kbit/s vs 56 Kbit/s). The Zyxel P-870MH-C1 VDSL2 Modem has 83 mm more depth 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 - (160 mm vs 77 mm). The Zyxel P-870MH-C1 VDSL2 Modem has 25 mm more height 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 - (45 mm vs 20 mm). Operating temperature (T-T): 0 - 60 °C 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 -, 0 - 50 °C on the Zyxel P-870MH-C1 VDSL2 Modem. Operating relative humidity (H-H): 10 - 90% 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 -, 0 - 95% on the Zyxel P-870MH-C1 VDSL2 Modem.

Modem speed
- 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 -:56 Kbit/s
- P-870MH-C1 VDSL2 Modem:100000 Kbit/s
Operating temperature (T-T)
- 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
- P-870MH-C1 VDSL2 Modem:0 - 50 °C
Operating relative humidity (H-H)
- 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 - 90%
- P-870MH-C1 VDSL2 Modem:0 - 95%
Depth
- 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 -:77 mm
- P-870MH-C1 VDSL2 Modem:160 mm
Height
- 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 -:20 mm
- P-870MH-C1 VDSL2 Modem:45 mm
Weight
- 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
- P-870MH-C1 VDSL2 Modem:470 g
Width
- 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 -:27 mm
- P-870MH-C1 VDSL2 Modem:205 mm

Side by side

Differences highlightedShow differences only

Comparison of USB56KEMH2, P-870MH-C1 VDSL2 Modem
37 specifications	A 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	B Zyxel P-870MH-C1 VDSL2 Modem View product
Modem1 differ
Modem speedDiffers	56 Kbit/s	100000 Kbit/s
InterfaceKnown for one	USB 2.0	Unknown — not stated by the source
ChipsetKnown for one	Conexant - CX93010-21Z	Unknown — not stated by the source
Modem typeKnown for one	Unknown — not stated by the source	VDSL2
Performanceidentical
Supported data transfer ratesKnown for one	56 Kbps Down, 36.6 Kbps Up, 14.4 Kbps Fax	Unknown — not stated by the source
Upstream data rateKnown for one	0.036 Mbit/s	Unknown — not stated by the source
Downstream data rateKnown for one	0.056 Mbit/s	Unknown — not stated by the source
Maximum fax transfer rateKnown for one	14.4 Kbps	Unknown — not stated by the source
Supported protocolsKnown for one	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	Unknown — not stated by the source
Featuresidentical
LED indicatorsKnown for one	Data	Unknown — not stated by the source
Flow control supportKnown for one	Unknown — not stated by the source	Yes
InternalKnown for one	Unknown — not stated by the source	No
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Electromagnetic compatibilityKnown for one	Unknown — not stated by the source	FCC Part 15 Class, EN 55022 Class B, EN 55024
Ports & interfacesidentical
Modem (RJ-11) ports	1	1
I/O portsKnown for one	Unknown — not stated by the source	4 x RJ45
System requirementsidentical
Compatible operating systemsKnown for one	- 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	Unknown — not stated by the source
Certificates1 differ
Compliance certificatesKnown for one	RoHS, CE, Federal Communications Commission (FCC), REACH, Trade Agreements Act (TAA)	Unknown — not stated by the source
CertificationDiffers	CE, FCC, RoHS, REACH, TAA	CAN/CSA-C22.2 No.60950-1-03 ANSI/UL Std No 60950-1,1st Ed. EN 60950-1, 1st Ed. IEC 60950-1, 1st Ed.
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 60 °C	0 - 50 °C
Operating relative humidity (H-H)Differs	10 - 90%	0 - 95%
Storage temperature (T-T)Known for one	-10 - 70 °C	Unknown — not stated by the source
Weight & dimensions4 differ
DepthDiffers	77 mm	160 mm
HeightDiffers	20 mm	45 mm
WeightDiffers	28 g	470 g
WidthDiffers	27 mm	205 mm
Packaging contentidentical
Cables includedKnown for one	Phone (RJ-11)	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Packaging dataidentical
Package depthKnown for one	166 mm	Unknown — not stated by the source
Package dimensions (WxDxH)Known for one	136 x 163 x 32 mm	Unknown — not stated by the source
Package heightKnown for one	36 mm	Unknown — not stated by the source
Package weightKnown for one	136 g	Unknown — not stated by the source
Package widthKnown for one	139 mm	Unknown — not stated by the source
Logistics dataidentical
Master (outer) case heightKnown for one	369 mm	Unknown — not stated by the source
Master (outer) case lengthKnown for one	379 mm	Unknown — not stated by the source
Master (outer) case widthKnown for one	725 mm	Unknown — not stated by the source
Products per master (outer) caseKnown for one	100 pc(s)	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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