Product comparison · 2 modems

Motorola SB6121 modem vs TP-Link TC7650 modem 1440000 Kbit/s

8specifications compared
4differ
4identical
22known for one product only

Key differences

The TP-Link TC7650 modem 1440000 Kbit/s has 11.928 Mbit/s more upstream data rate than the Motorola SB6121 modem (143 Mbit/s vs 131.072 Mbit/s). The TP-Link TC7650 modem 1440000 Kbit/s has 457.536 Mbit/s more downstream data rate than the Motorola SB6121 modem (680 Mbit/s vs 222.464 Mbit/s). Operating relative humidity (H-H): 5 - 95% on the Motorola SB6121 modem, -30 - 70% on the TP-Link TC7650 modem 1440000 Kbit/s.

Upstream data rate
- SB6121 modem:131.072 Mbit/s
- TC7650 modem 1440000 Kbit/s:143 Mbit/s
Downstream data rate
- SB6121 modem:222.464 Mbit/s
- TC7650 modem 1440000 Kbit/s:680 Mbit/s
Operating relative humidity (H-H)
- SB6121 modem:5 - 95%
- TC7650 modem 1440000 Kbit/s:-30 - 70%

Side by side

Differences highlightedShow differences only

Comparison of SB6121, TC7650
30 specifications	A Motorola SB6121 modem Model SB6121 View product	B TP-Link TC7650 modem 1440000 Kbit/s Model TC7650 View product
Performance2 differ
Data link protocolsKnown for one	TCP/IP	Unknown — not stated by the source
Upstream data rateDiffers	131.072 Mbit/s	143 Mbit/s
Downstream data rateDiffers	222.464 Mbit/s	680 Mbit/s
Maximum data transfer rateKnown for one	222.464 Mbit/s	Unknown — not stated by the source
ModulationKnown for one	256-QAM, 64-QAM, QPSK	Unknown — not stated by the source
Featuresidentical
BandwidthKnown for one	0.1 GHz	Unknown — not stated by the source
Frequency rangeKnown for one	0.108 - 1 GHz	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Black
Housing materialKnown for one	Unknown — not stated by the source	Plastic
Power LEDKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
DC-in jack	Yes	Yes
Ethernet LAN (RJ-45) ports	1	1
Cabling technologyKnown for one	Unknown — not stated by the source	10/100
Power1 differ
Power requirementsDiffers	(105 - 125)VAC, 60Hz/(100 - 240)VAC, (50 - 60)Hz	12VDC 1A
Power supply typeKnown for one	9W	Unknown — not stated by the source
DC input voltageKnown for one	Unknown — not stated by the source	12 V
System requirementsidentical
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 8/Windows 7/ Windows Vista™, Service Pack 1 or later/ Windows®XP, Service Pack 2 or later/ Mac®10.4 or later (Ethernet Connection Only) UNIX®Linux®
Operational conditions1 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	5 - 95%	-30 - 70%
Storage temperature (T-T)Known for one	-30 - 70 °C	Unknown — not stated by the source
Weight & dimensionsidentical
DepthKnown for one	133 mm	Unknown — not stated by the source
HeightKnown for one	42 mm	Unknown — not stated by the source
WidthKnown for one	133 mm	Unknown — not stated by the source
Packaging contentidentical
Cables included	LAN (RJ-45)	LAN (RJ-45)
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Modemidentical
Modem speedKnown for one	Unknown — not stated by the source	1440000 Kbit/s
Antenna typeKnown for one	Unknown — not stated by the source	Internal
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS, Federal Communications Commission (FCC)
CertificationKnown for one	Unknown — not stated by the source	FCC, UL Cablelabs RoHS

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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