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
ADSL	Yes	Yes
DSL specificationDiffers	G.dmt ADSL over POTS (G.992.1 Annex A)	G.992.1 Annex B
Protocolsidentical
Supported network protocols	IEEE 802.1d Transparent Bridging, 802.1q Pass-through Bridge, IP Routing: TCP, UDP, ICMP, ARP, RIPv1 & RIPv2, Static Route,IP Multicast IGMP v1/v2, IP Policy Route	IEEE 802.1d Transparent Bridging, 802.1q Pass-through Bridge, IP Routing: TCP, UDP, ICMP, ARP, RIPv1 & RIPv2, Static Route,IP Multicast IGMP v1/v2, IP Policy Route
Operational conditionsidentical
Operating relative humidity (H-H)	20 - 95%	20 - 95%
Operating temperature (T-T)	0 - 50 °C	0 - 50 °C
Weight & dimensionsidentical
Weight	360 g	360 g
Other features1 differ
Dimensions (WxDxH)	178 x 125 x 36 mm	178 x 125 x 36 mm
Management platform	Web-based	Web-based
Maximum data transfer rate	0.1 Gbit/s	0.1 Gbit/s
Networking features	Ethernet LAN, ADSL	Ethernet LAN, ADSL
xDSL connection	Yes	Yes
I/O portsDiffers	4x 10/100 Ethernet (RJ-45) 1x ADSL (RJ-11)	4x 10/100 Ethernet (RJ-45) 1x ADSL (RJ-45)

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