Zyxel Prestige 660H-D3 wired router vs Zyxel P-660H-61 ADSL2+ 4-port Gateway over POTS

Comparison of 660H-D3, P-660H-61 ADSL2+ 4-port Gateway over POTS

22 specifications	A Zyxel Prestige 660H-D3 wired router Model 660H-D3 View product	B Zyxel P-660H-61 ADSL2+ 4-port Gateway over POTSView product
Network1 differ
Networking standards	IEEE 802.1D	IEEE 802.1D
Data transfer rate	10 Mbit/s	10 Mbit/s
Supports ISDN connectionDiffers	Yes	No
DSL featuresidentical
ADSL	Yes	Yes
Management featuresidentical
Web-based management	Yes	Yes
Quality of Service (QoS) support	Yes	Yes
Universal Plug and Play (UPnP)	Yes	Yes
Reset button	Yes	Yes
Ports & interfaces1 differ
I/O portsDiffers	ADSL: 1 x RJ-45 LAN: 4 x 10/100M Auto MDI/MDIX	ADSL: 1 x RJ-11 LAN: 4 x 10/100M Auto MDI/MDIX
Protocolsidentical
Routing protocols	RIP-1, RIP-2	RIP-1, RIP-2
Management protocols	SNMP, Telnet, HTTP	SNMP, Telnet, HTTP
Supported network protocols	TCP/IP, PPTP, UDP/IP, L2TP, ICMP/IP, IPSec, PPPoE, PPPoA	TCP/IP, PPTP, UDP/IP, L2TP, ICMP/IP, IPSec, PPPoE, PPPoA
Supported protocols	ITU G.992.1 (G.DMT), ITU G.992.2 (G.Lite), ITU G.994.1 (G.hs), ITU G.992.3 (G.DMT.bis), ITU G.992.4 (G.lite.bis), ITU G.992.5	ITU G.992.1 (G.DMT), ITU G.992.2 (G.Lite), ITU G.994.1 (G.hs), ITU G.992.3 (G.DMT.bis), ITU G.992.4 (G.lite.bis), ITU G.992.5
Featuresidentical
Certification	CE, FCC	CE, FCC
Poweridentical
Power over Ethernet (PoE)	No	No
Operational conditionsidentical
Operating temperature (T-T)	0 - 50 °C	0 - 50 °C
Non-operating relative humidity (non-condensing)	20 - 85%	20 - 85%
Weight & dimensionsidentical
Weight	325 g	325 g
Other featuresidentical
Power requirements	12 V DC	12 V DC
Connectivity technology	Wired	Wired
Dimensions (WxDxH)	180 x 128 x 36 mm	180 x 128 x 36 mm
Maximum data transfer rate	0.024 Gbit/s	0.024 Gbit/s

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.