Product comparison · 2 modems

D-Link ADSL2+ Ethernet Modem (Annex B) vs D-Link 4G LTE M2M VPN PoE+ Modem Router

7specifications compared
7differ
0identical
14known for one product only

Key differences

The D-Link 4G LTE M2M VPN PoE+ Modem Router has 5 - 95% more operating relative humidity (H-H) than the D-Link ADSL2+ Ethernet Modem (Annex B) (10 - 95% vs 5 - 95%). The D-Link ADSL2+ Ethernet Modem (Annex B) has 30 mm more depth than the D-Link 4G LTE M2M VPN PoE+ Modem Router (108 mm vs 78 mm). The D-Link 4G LTE M2M VPN PoE+ Modem Router has 39 mm more height than the D-Link ADSL2+ Ethernet Modem (Annex B) (70 mm vs 31 mm). Interface: RJ-45 / RJ-11 on the D-Link ADSL2+ Ethernet Modem (Annex B), RJ45 on the D-Link 4G LTE M2M VPN PoE+ Modem Router. Operating temperature (T-T): 0 - 40 °C on the D-Link ADSL2+ Ethernet Modem (Annex B), -30 - 70 °C on the D-Link 4G LTE M2M VPN PoE+ Modem Router.

Interface
- ADSL2+ Ethernet Modem (Annex B):RJ-45 / RJ-11
- 4G LTE M2M VPN PoE+ Modem Router:RJ45
Operating temperature (T-T)
- ADSL2+ Ethernet Modem (Annex B):0 - 40 °C
- 4G LTE M2M VPN PoE+ Modem Router:-30 - 70 °C
Operating relative humidity (H-H)
- ADSL2+ Ethernet Modem (Annex B):5 - 95%
- 4G LTE M2M VPN PoE+ Modem Router:10 - 95%
Storage temperature (T-T)
- ADSL2+ Ethernet Modem (Annex B):20 - 70 °C
- 4G LTE M2M VPN PoE+ Modem Router:-40 - 85 °C
Depth
- ADSL2+ Ethernet Modem (Annex B):108 mm
- 4G LTE M2M VPN PoE+ Modem Router:78 mm
Height
- ADSL2+ Ethernet Modem (Annex B):31 mm
- 4G LTE M2M VPN PoE+ Modem Router:70 mm
Width
- ADSL2+ Ethernet Modem (Annex B):142 mm
- 4G LTE M2M VPN PoE+ Modem Router:29 mm

Side by side

Differences highlightedShow differences only

Comparison of ADSL2+ Ethernet Modem (Annex B), DWM-311-TP/B
21 specifications	A D-Link ADSL2+ Ethernet Modem (Annex B)View product	B D-Link 4G LTE M2M VPN PoE+ Modem Router Model DWM-311-TP/B View product
Modem1 differ
Modem typeKnown for one	ADSL	Unknown — not stated by the source
Modem speedKnown for one	24000 Kbit/s	Unknown — not stated by the source
InterfaceDiffers	RJ-45 / RJ-11	RJ45
Antenna typeKnown for one	Unknown — not stated by the source	External
Performanceidentical
Data link protocolsKnown for one	ADSL2+ / G.dmt	Unknown — not stated by the source
Supported protocolsKnown for one	OAM F4/F5 IP - ATM (RFC 1577) PPP - ATM (RFC 2364) PPP - Ethernet (PPPoE) AAL5	Unknown — not stated by the source
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.3at
Featuresidentical
InternalKnown for one	No	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Black
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Power LEDKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
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 conditions3 differ
Operating temperature (T-T)Differs	0 - 40 °C	-30 - 70 °C
Operating relative humidity (H-H)Differs	5 - 95%	10 - 95%
Storage temperature (T-T)Differs	20 - 70 °C	-40 - 85 °C
Weight & dimensions3 differ
DepthDiffers	108 mm	78 mm
HeightDiffers	31 mm	70 mm
WidthDiffers	142 mm	29 mm
Poweridentical
DC input voltageKnown for one	Unknown — not stated by the source	48 - 57 V

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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