Product comparison · 2 modems

Motorola SB6121 modem vs TP-Link TD-8817 modem

11specifications compared
9differ
2identical
17known for one product only

Key differences

The Motorola SB6121 modem has 127.572 Mbit/s more upstream data rate than the TP-Link TD-8817 modem (131.072 Mbit/s vs 3.5 Mbit/s). The Motorola SB6121 modem has 198.464 Mbit/s more downstream data rate than the TP-Link TD-8817 modem (222.464 Mbit/s vs 24 Mbit/s). The TP-Link TD-8817 modem has 5 - 95% more operating relative humidity (H-H) than the Motorola SB6121 modem (10 - 95% vs 5 - 95%). Operating temperature (T-T): 0 - 40 °C on the Motorola SB6121 modem, 0 - 55 °C on the TP-Link TD-8817 modem. Storage temperature (T-T): -30 - 70 °C on the Motorola SB6121 modem, -40 - 70 °C on the TP-Link TD-8817 modem.

Upstream data rate
- SB6121 modem:131.072 Mbit/s
- TD-8817 modem:3.5 Mbit/s
Downstream data rate
- SB6121 modem:222.464 Mbit/s
- TD-8817 modem:24 Mbit/s
Operating temperature (T-T)
- SB6121 modem:0 - 40 °C
- TD-8817 modem:0 - 55 °C
Operating relative humidity (H-H)
- SB6121 modem:5 - 95%
- TD-8817 modem:10 - 95%
Storage temperature (T-T)
- SB6121 modem:-30 - 70 °C
- TD-8817 modem:-40 - 70 °C
Depth
- SB6121 modem:133 mm
- TD-8817 modem:108 mm
Height
- SB6121 modem:42 mm
- TD-8817 modem:28 mm
Width
- SB6121 modem:133 mm
- TD-8817 modem:165 mm

Side by side

Differences highlightedShow differences only

Comparison of SB6121, TD-8817
28 specifications	A Motorola SB6121 modem Model SB6121 View product	B TP-Link TD-8817 modem Model TD-8817 View product
Modemidentical
InterfaceKnown for one	Unknown — not stated by the source	USB 2.0/Ethernet Port
Performance2 differ
Upstream data rateDiffers	131.072 Mbit/s	3.5 Mbit/s
Downstream data rateDiffers	222.464 Mbit/s	24 Mbit/s
MAC address filteringKnown for one	Unknown — not stated by the source	Yes
Networking featuresKnown for one	Unknown — not stated by the source	Fast Ethernet
Supported protocolsKnown for one	Unknown — not stated by the source	ATM Forum UNI3.1/4.0 PVC - Up to 8 PVCs PPP over ATM (RFC 2364) PPP over Ethernet (RFC2516) IPoA (RFC1577/2225)
Data link protocolsKnown for one	TCP/IP	Unknown — not stated by the source
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
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
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
Ports & interfacesidentical
DC-in jack	Yes	Yes
Ethernet LAN (RJ-45) ports	1	1
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	1
System requirementsidentical
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 98SE, NT, 2000, XP, Vista, 7 MAC OS NetWare UNIX Linux
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, 802.3u
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 55 °C
Operating relative humidity (H-H)Differs	5 - 95%	10 - 95%
Storage temperature (T-T)Differs	-30 - 70 °C	-40 - 70 °C
Non-operating relative humidity (non-condensing)Known for one	Unknown — not stated by the source	5 - 95%
Weight & dimensions3 differ
DepthDiffers	133 mm	108 mm
HeightDiffers	42 mm	28 mm
WidthDiffers	133 mm	165 mm
Packaging content1 differ
Cables includedDiffers	LAN (RJ-45)	LAN (RJ-45), Phone (RJ-11)
Poweridentical
Power requirementsKnown for one	(105 - 125)VAC, 60Hz/(100 - 240)VAC, (50 - 60)Hz	Unknown — not stated by the source
Power supply typeKnown for one	9W	Unknown — not stated by the source

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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