Product comparison · 2 modems

D-Link ADSL2+ Ethernet Modem (Annex B) vs NETGEAR MBM621 modem

7specifications compared
5differ
2identical
13known for one product only

Key differences

The NETGEAR MBM621 modem has 6 mm more depth than the D-Link ADSL2+ Ethernet Modem (Annex B) (114 mm vs 108 mm). The D-Link ADSL2+ Ethernet Modem (Annex B) has 6 mm more height than the NETGEAR MBM621 modem (31 mm vs 25 mm). The NETGEAR MBM621 modem has 30 mm more width than the D-Link ADSL2+ Ethernet Modem (Annex B) (172 mm vs 142 mm). Storage temperature (T-T): 20 - 70 °C on the D-Link ADSL2+ Ethernet Modem (Annex B), -20 - 70 °C on the NETGEAR MBM621 modem.

Storage temperature (T-T)
- ADSL2+ Ethernet Modem (Annex B):20 - 70 °C
- MBM621 modem:-20 - 70 °C
Depth
- ADSL2+ Ethernet Modem (Annex B):108 mm
- MBM621 modem:114 mm
Height
- ADSL2+ Ethernet Modem (Annex B):31 mm
- MBM621 modem:25 mm
Width
- ADSL2+ Ethernet Modem (Annex B):142 mm
- MBM621 modem:172 mm

Side by side

Differences highlightedShow differences only

Comparison of ADSL2+ Ethernet Modem (Annex B), MBM621
20 specifications	A D-Link ADSL2+ Ethernet Modem (Annex B)View product	B NETGEAR MBM621 modem Model MBM621 View product
Modemidentical
Modem typeKnown for one	ADSL	Unknown — not stated by the source
Modem speedKnown for one	24000 Kbit/s	Unknown — not stated by the source
InterfaceKnown for one	RJ-45 / RJ-11	Unknown — not stated by the source
Performance1 differ
Data link protocolsKnown for one	ADSL2+ / G.dmt	Unknown — not stated by the source
Supported protocolsDiffers	OAM F4/F5 IP - ATM (RFC 1577) PPP - ATM (RFC 2364) PPP - Ethernet (PPPoE) AAL5	IPv4, TCP, UDP, DHCP, IEEE 802.2, IEEE 802.3, ICMP, HTTP, TFTP, NTP
Upstream data rateKnown for one	Unknown — not stated by the source	0.384 Mbit/s
Downstream data rateKnown for one	Unknown — not stated by the source	3.6 Mbit/s
Featuresidentical
Connectivity LEDsKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
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
Certificatesidentical
SafetyKnown for one	CSA	Unknown — not stated by the source
Operational conditions1 differ
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage temperature (T-T)Differs	20 - 70 °C	-20 - 70 °C
Weight & dimensions3 differ
DepthDiffers	108 mm	114 mm
HeightDiffers	31 mm	25 mm
WidthDiffers	142 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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