Product comparison · 2 modems

StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem vs Zyxel P-870M-I3 modem

9specifications compared
7differ
2identical
22known for one product only

Key differences

The Zyxel P-870M-I3 modem has 105 mm more depth than the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem (180 mm vs 75 mm). The Zyxel P-870M-I3 modem has 18 mm more height than the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem (36 mm vs 18 mm). The Zyxel P-870M-I3 modem has 250 g more weight than the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem (275 g vs 25 g). Operating temperature (T-T): 0 - 55 °C on the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem, 0 - 40 °C on the Zyxel P-870M-I3 modem. Operating relative humidity (H-H): 20 - 80% on the StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem, 20 - 85% on the Zyxel P-870M-I3 modem.

Operating temperature (T-T)
- External V.92 56K USB Fax Modem – Dial up Data Modem:0 - 55 °C
- P-870M-I3 modem:0 - 40 °C
Operating relative humidity (H-H)
- External V.92 56K USB Fax Modem – Dial up Data Modem:20 - 80%
- P-870M-I3 modem:20 - 85%
Storage temperature (T-T)
- External V.92 56K USB Fax Modem – Dial up Data Modem:10 - 70 °C
- P-870M-I3 modem:-20 - 60 °C
Depth
- External V.92 56K USB Fax Modem – Dial up Data Modem:75 mm
- P-870M-I3 modem:180 mm
Height
- External V.92 56K USB Fax Modem – Dial up Data Modem:18 mm
- P-870M-I3 modem:36 mm
Weight
- External V.92 56K USB Fax Modem – Dial up Data Modem:25 g
- P-870M-I3 modem:275 g
Width
- External V.92 56K USB Fax Modem – Dial up Data Modem:25 mm
- P-870M-I3 modem:128 mm

Side by side

Differences highlightedShow differences only

Comparison of USB56KEM3, P-870M-I3
31 specifications	A StarTech.com External V.92 56K USB Fax Modem – Dial up Data Modem Model USB56KEM3 View product	B Zyxel P-870M-I3 modem Model P-870M-I3 View product
Modemidentical
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
ChipsetKnown for one	Agere/LSI SV92U2C	Unknown — not stated by the source
InterfaceKnown for one	Unknown — not stated by the source	RJ-45/RJ-11
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
Data link protocolsKnown for one	Unknown — not stated by the source	VDSL2 (ITU G.993.1, ITU G.993.2)
Networking featuresKnown for one	Unknown — not stated by the source	Fast Ethernet
Featuresidentical
Internal	No	No
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Connectivity LEDsKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
Modem (RJ-11) ports	1	1
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Poweridentical
USB poweredKnown for one	Yes	Unknown — not stated by the source
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
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 conditions3 differ
Operating temperature (T-T)Differs	0 - 55 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	20 - 80%	20 - 85%
Storage temperature (T-T)Differs	10 - 70 °C	-20 - 60 °C
Non-operating relative humidity (non-condensing)Known for one	Unknown — not stated by the source	20 - 95%
Weight & dimensions4 differ
DepthDiffers	75 mm	180 mm
HeightDiffers	18 mm	36 mm
WeightDiffers	25 g	275 g
WidthDiffers	25 mm	128 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
Compliance certificatesKnown for one	Unknown — not stated by the source	Federal Communications Commission (FCC)
CertificationKnown for one	Unknown — not stated by the source	FCC, EN, ANSI/UL, IEC

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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