Zyxel Prestige 661H-I wired router Black vs Zyxel P-661H-I wired router Black

Comparison of 661H-I, P-661H-I

29 specifications	A Zyxel Prestige 661H-I wired router Black Model 661H-I View product	B Zyxel P-661H-I wired router Black Model P-661H-I View product
Networkidentical
Ethernet LAN	Yes	Yes
Supports ISDN connection	Yes	Yes
DSL featuresidentical
ADSL	Yes	Yes
DSL specification	ADSL (ANSI T1.413, Issue 2), G.dmt ADSL (G.992.1 Annex B, U-R2), G.lite (G992.2), ADSL2 G.dmt.bis (G.992.3), ADSL2 G.lite.bis (G.992.4), ADSL2+ (G.992.5), ADSL (RE ADSL) G.992.3 Annex L	ADSL (ANSI T1.413, Issue 2), G.dmt ADSL (G.992.1 Annex B, U-R2), G.lite (G992.2), ADSL2 G.dmt.bis (G.992.3), ADSL2 G.lite.bis (G.992.4), ADSL2+ (G.992.5), ADSL (RE ADSL) G.992.3 Annex L
Management featuresidentical
Quality of Service (QoS) support	Yes	Yes
Universal Plug and Play (UPnP)	Yes	Yes
Reset button	Yes	Yes
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports	5	5
DC-in jack	Yes	Yes
Protocolsidentical
DHCP client	Yes	Yes
DHCP server	Yes	Yes
Management protocols	SUA/Multi-NAT, VPN (IPSec, PPTP), DNS	SUA/Multi-NAT, VPN (IPSec, PPTP), DNS
Securityidentical
Firewall security	Denial-of-Service (DoS) protection, Distributed Denial-of-Service (DDoS) protection	Denial-of-Service (DoS) protection, Distributed Denial-of-Service (DDoS) protection
MAC address filtering	Yes	Yes
Filtering description	Content	Content
VPN tunnels quantity	2	2
VPN support	IPSec, PPTP	IPSec, PPTP
Designidentical
Product colour	Black	Black
LED indicators	DSL	DSL
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)	-20 - 60 °C	-20 - 60 °C
Operating relative humidity (H-H)	20 - 85%	20 - 85%
Storage relative humidity (H-H)	20 - 90%	20 - 90%
Weight & dimensionsidentical
Weight	305 g	305 g
Packaging dataidentical
Package weight	1.54 kg	1.54 kg
Other featuresidentical
Power requirements	12V AC	12V AC
Connectivity technology	Wired	Wired
Dimensions (WxDxH)	180 x 128 x 36 mm	180 x 128 x 36 mm
Connectivity LEDs	Yes	Yes

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