Product comparison · 2 wireless routers

Zyxel P-661HW-D1 802.11g Wireless ADSL2+ 4-port Security Gateway over POTS vs Zyxel P-661HW-D3 802.11g Wireless ADSL2+ 4-port Security Gateway over ISDN

13specifications compared
3differ
10identical
0known for one product only

Key differences

Only the Zyxel P-661HW-D3 802.11g Wireless ADSL2+ 4-port Security Gateway over ISDN has supports ISDN connection. DSL specification: G.dmt ADSL over POTS (G.992.1 Annex A) on the Zyxel P-661HW-D1 802.11g Wireless ADSL2+ 4-port Security Gateway over POTS, G.992.1 Annex B on the Zyxel P-661HW-D3 802.11g Wireless ADSL2+ 4-port Security Gateway over ISDN.

Supports ISDN connection
- P-661HW-D1 802.11g Wireless ADSL2+ 4-port Security Gateway over POTS:No
- P-661HW-D3 802.11g Wireless ADSL2+ 4-port Security Gateway over ISDN:Yes

Side by side

Differences highlightedShow differences only

Comparison of P-661HW-D1 802.11g Wireless ADSL2+ 4-port Security Gateway over POTS, P-661HW-D3 802.11g Wireless ADSL2+ 4-port Security Gateway over ISDN
13 specifications	A Zyxel P-661HW-D1 802.11g Wireless ADSL2+ 4-port Security Gateway over POTS View product	B Zyxel P-661HW-D3 802.11g Wireless ADSL2+ 4-port Security Gateway over ISDN View product
Network1 differ
Supports ISDN connectionDiffers	No	Yes
DSL features1 differ
DSL specificationDiffers	G.dmt ADSL over POTS (G.992.1 Annex A)	G.992.1 Annex B
Other features1 differ
I/O portsDiffers	4x 10/100 Ethernet (RJ-45) 1x ADSL (RJ-11)	4x 10/100 Ethernet (RJ-45) 1x ADSL (RJ-45)

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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