Product comparison · 2 modems

StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem vs Zyxel P-870MH-C1 VDSL2 Modem

10specifications compared
7differ
3identical
16known 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 External V.92 56K USB Fax Modem – Dial up Data Modem (100000 Kbit/s vs 56 Kbit/s). The Zyxel P-870MH-C1 VDSL2 Modem has 85 mm more depth than the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem (160 mm vs 75 mm). The Zyxel P-870MH-C1 VDSL2 Modem has 27 mm more height than the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem (45 mm vs 18 mm). Operating temperature (T-T): 0 - 55 °C on the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem, 0 - 50 °C on the Zyxel P-870MH-C1 VDSL2 Modem. Operating relative humidity (H-H): 20 - 80% on the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem, 0 - 95% on the Zyxel P-870MH-C1 VDSL2 Modem.

Modem speed
- External V.92 56K USB Fax Modem – Dial up Data Modem:56 Kbit/s
- P-870MH-C1 VDSL2 Modem:100000 Kbit/s
Operating temperature (T-T)
- External V.92 56K USB Fax Modem – Dial up Data Modem:0 - 55 °C
- P-870MH-C1 VDSL2 Modem:0 - 50 °C
Operating relative humidity (H-H)
- External V.92 56K USB Fax Modem – Dial up Data Modem:20 - 80%
- P-870MH-C1 VDSL2 Modem:0 - 95%
Depth
- External V.92 56K USB Fax Modem – Dial up Data Modem:75 mm
- P-870MH-C1 VDSL2 Modem:160 mm
Height
- External V.92 56K USB Fax Modem – Dial up Data Modem:18 mm
- P-870MH-C1 VDSL2 Modem:45 mm
Weight
- External V.92 56K USB Fax Modem – Dial up Data Modem:25 g
- P-870MH-C1 VDSL2 Modem:470 g
Width
- External V.92 56K USB Fax Modem – Dial up Data Modem:25 mm
- P-870MH-C1 VDSL2 Modem:205 mm

Side by side

Differences highlightedShow differences only

Comparison of USB56KEM3, P-870MH-C1 VDSL2 Modem
26 specifications	A StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem Model USB56KEM3 View product	B Zyxel P-870MH-C1 VDSL2 Modem View product
Modem1 differ
Modem speedDiffers	56 Kbit/s	100000 Kbit/s
ChipsetKnown for one	Agere/LSI SV92U2C	Unknown — not stated by the source
Modem typeKnown for one	Unknown — not stated by the source	VDSL2
Performanceidentical
Supported data transfer ratesKnown for one	56/48/14.4 Kbit/s	Unknown — not stated by the source
Data compressionKnown for one	V.44	Unknown — not stated by the source
Featuresidentical
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Flow control supportKnown 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
I/O portsKnown for one	Unknown — not stated by the source	4 x RJ45
Poweridentical
USB poweredKnown for one	Yes	Unknown — not stated by the source
System requirementsidentical
Compatible operating systemsKnown for one	Windows ME/ 2000/ XP(32/64-bit)/ Vista(32/64-bit)/ 7(32/64-bit)/ Server 2008 R2	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 55 °C	0 - 50 °C
Operating relative humidity (H-H)Differs	20 - 80%	0 - 95%
Storage temperature (T-T)Known for one	10 - 70 °C	Unknown — not stated by the source
Weight & dimensions4 differ
DepthDiffers	75 mm	160 mm
HeightDiffers	18 mm	45 mm
WeightDiffers	25 g	470 g
WidthDiffers	25 mm	205 mm
Packaging dataidentical
Package depthKnown for one	170 mm	Unknown — not stated by the source
Package heightKnown for one	35 mm	Unknown — not stated by the source
Package weightKnown for one	180 g	Unknown — not stated by the source
Package widthKnown for one	142 mm	Unknown — not stated by the source
Certificatesidentical
CertificationKnown 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.

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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