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-870M-I modem

10specifications compared
10differ
0identical
27known for one product only

Key differences

The Zyxel P-870M-I modem has 49.964 Mbit/s more upstream data rate 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 - (50 Mbit/s vs 0.036 Mbit/s). The Zyxel P-870M-I modem has 99.944 Mbit/s more downstream data rate 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 - (100 Mbit/s vs 0.056 Mbit/s). The Zyxel P-870M-I modem has 55 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 - (132 mm vs 77 mm). LED indicators: Data 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 -, Status on the Zyxel P-870M-I modem. 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 - 40 °C on the Zyxel P-870M-I modem.

Upstream data rate
- 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
- P-870M-I modem:50 Mbit/s
Downstream data rate
- 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 -:0.056 Mbit/s
- P-870M-I modem:100 Mbit/s
LED indicators
- 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
- P-870M-I modem:Status
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-870M-I modem:0 - 40 °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-870M-I modem:20 - 85%
Storage 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 -:-10 - 70 °C
- P-870M-I modem:-20 - 60 °C
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-870M-I modem:132 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-870M-I modem:40 mm

Side by side

Differences highlightedShow differences only

Comparison of USB56KEMH2, P-870M-I
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-870M-I modem Model P-870M-I View product
Modemidentical
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
InterfaceKnown for one	USB 2.0	Unknown — not stated by the source
ChipsetKnown for one	Conexant - CX93010-21Z	Unknown — not stated by the source
Performance2 differ
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 rateDiffers	0.036 Mbit/s	50 Mbit/s
Downstream data rateDiffers	0.056 Mbit/s	100 Mbit/s
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
Networking featuresKnown for one	Unknown — not stated by the source	Ethernet 10/100 Mbps
Features1 differ
LED indicatorsDiffers	Data	Status
Electromagnetic emissionsKnown for one	Unknown — not stated by the source	FCC Part 15 Class B, EN 55022 Class B, EN 55024 Class B
Ports & interfacesidentical
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
I/O portsKnown for one	Unknown — not stated by the source	2 x RJ-45 1 x RJ-11
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
Certificatesidentical
Compliance certificatesKnown for one	RoHS, CE, Federal Communications Commission (FCC), REACH, Trade Agreements Act (TAA)	Unknown — not stated by the source
CertificationKnown for one	CE, FCC, RoHS, REACH, TAA	Unknown — not stated by the source
SafetyKnown for one	Unknown — not stated by the source	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 conditions3 differ
Operating temperature (T-T)Differs	0 - 60 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	10 - 90%	20 - 85%
Storage temperature (T-T)Differs	-10 - 70 °C	-20 - 60 °C
Weight & dimensions4 differ
DepthDiffers	77 mm	132 mm
HeightDiffers	20 mm	40 mm
WeightDiffers	28 g	265 g
WidthDiffers	27 mm	189 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
Poweridentical
Power requirementsKnown for one	Unknown — not stated by the source	9 V AC 1000 mA
Technical detailsidentical
Technical featuresKnown for one	Unknown — not stated by the source	- Duplex Method: DMT - LR-VDSL2 support - Power back-off

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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