Product comparison · 2 modems

Motorola SB5120 modem vs Zyxel P-870M-I modem

9specifications compared
8differ
1identical
16known for one product only

Key differences

The Zyxel P-870M-I modem has 20 Mbit/s more upstream data rate than the Motorola SB5120 modem (50 Mbit/s vs 30 Mbit/s). The Zyxel P-870M-I modem has 62 Mbit/s more downstream data rate than the Motorola SB5120 modem (100 Mbit/s vs 38 Mbit/s). The Zyxel P-870M-I modem has 73.6 mm more depth than the Motorola SB5120 modem (132 mm vs 58.4 mm). Operating relative humidity (H-H): 0 - 95% on the Motorola SB5120 modem, 20 - 85% on the Zyxel P-870M-I modem. Storage temperature (T-T): -30 - 80 °C on the Motorola SB5120 modem, -20 - 60 °C on the Zyxel P-870M-I modem.

Upstream data rate
- SB5120 modem:30 Mbit/s
- P-870M-I modem:50 Mbit/s
Downstream data rate
- SB5120 modem:38 Mbit/s
- P-870M-I modem:100 Mbit/s
Operating relative humidity (H-H)
- SB5120 modem:0 - 95%
- P-870M-I modem:20 - 85%
Storage temperature (T-T)
- SB5120 modem:-30 - 80 °C
- P-870M-I modem:-20 - 60 °C
Depth
- SB5120 modem:58.4 mm
- P-870M-I modem:132 mm
Height
- SB5120 modem:152.4 mm
- P-870M-I modem:40 mm
Width
- SB5120 modem:157.5 mm
- P-870M-I modem:189 mm

Side by side

Differences highlightedShow differences only

Comparison of SB5120, P-870M-I
25 specifications	A Motorola SB5120 modem Model SB5120 View product	B Zyxel P-870M-I modem Model P-870M-I View product
Modemidentical
InterfaceKnown for one	USB	Unknown — not stated by the source
Performance2 differ
Data link protocolsKnown for one	TCP/IP	Unknown — not stated by the source
Upstream data rateDiffers	30 Mbit/s	50 Mbit/s
Downstream data rateDiffers	38 Mbit/s	100 Mbit/s
Maximum data transfer rateKnown for one	38 Mbit/s	Unknown — not stated by the source
ModulationKnown for one	256-QAM, 64-QAM, QPSK	Unknown — not stated by the source
Networking featuresKnown for one	Unknown — not stated by the source	Ethernet 10/100 Mbps
Featuresidentical
BandwidthKnown for one	0.006 GHz	Unknown — not stated by the source
Frequency rangeKnown for one	0.005 - 0.042 GHz	Unknown — not stated by the source
LED indicatorsKnown for one	Unknown — not stated by the source	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
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN (RJ-45) 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
Power1 differ
Power requirementsDiffers	(105 - 125)VAC, 60Hz/(100 - 240)VAC, (50 - 60)Hz	9 V AC 1000 mA
System requirementsidentical
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	0 - 95%	20 - 85%
Storage temperature (T-T)Differs	-30 - 80 °C	-20 - 60 °C
Weight & dimensions3 differ
DepthDiffers	58.4 mm	132 mm
HeightDiffers	152.4 mm	40 mm
WidthDiffers	157.5 mm	189 mm
WeightKnown for one	Unknown — not stated by the source	265 g
Certificatesidentical
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.
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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