Product comparison · 2 modems

Motorola SB5120 modem vs NETGEAR MBM621 modem

9specifications compared
6differ
3identical
13known for one product only

Key differences

The Motorola SB5120 modem has 29.616 Mbit/s more upstream data rate than the NETGEAR MBM621 modem (30 Mbit/s vs 0.384 Mbit/s). The Motorola SB5120 modem has 34.4 Mbit/s more downstream data rate than the NETGEAR MBM621 modem (38 Mbit/s vs 3.6 Mbit/s). The NETGEAR MBM621 modem has 55.6 mm more depth than the Motorola SB5120 modem (114 mm vs 58.4 mm). Storage temperature (T-T): -30 - 80 °C on the Motorola SB5120 modem, -20 - 70 °C on the NETGEAR MBM621 modem.

Upstream data rate
- SB5120 modem:30 Mbit/s
- MBM621 modem:0.384 Mbit/s
Downstream data rate
- SB5120 modem:38 Mbit/s
- MBM621 modem:3.6 Mbit/s
Storage temperature (T-T)
- SB5120 modem:-30 - 80 °C
- MBM621 modem:-20 - 70 °C
Depth
- SB5120 modem:58.4 mm
- MBM621 modem:114 mm
Height
- SB5120 modem:152.4 mm
- MBM621 modem:25 mm
Width
- SB5120 modem:157.5 mm
- MBM621 modem:172 mm

Side by side

Differences highlightedShow differences only

Comparison of SB5120, MBM621
22 specifications	A Motorola SB5120 modem Model SB5120 View product	B NETGEAR MBM621 modem Model MBM621 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	0.384 Mbit/s
Downstream data rateDiffers	38 Mbit/s	3.6 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
Supported protocolsKnown for one	Unknown — not stated by the source	IPv4, TCP, UDP, DHCP, IEEE 802.2, IEEE 802.3, ICMP, HTTP, TFTP, NTP
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
InternalKnown for one	Unknown — not stated by the source	No
Connectivity LEDsKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
DC-in jack	Yes	Yes
Ethernet LAN (RJ-45) ports	1	1
Poweridentical
Power requirementsKnown for one	(105 - 125)VAC, 60Hz/(100 - 240)VAC, (50 - 60)Hz	Unknown — not stated by the source
System requirementsidentical
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Storage temperature (T-T)Differs	-30 - 80 °C	-20 - 70 °C
Weight & dimensions3 differ
DepthDiffers	58.4 mm	114 mm
HeightDiffers	152.4 mm	25 mm
WidthDiffers	157.5 mm	172 mm
WeightKnown for one	Unknown — not stated by the source	300 g

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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