Product comparison · 2 wireless routers

EnGenius ESR1221N wireless router Fast Ethernet White vs Zyxel 870HW-51a v2

18specifications compared
9differ
9identical
34known for one product only

Key differences

Top Wi-Fi standard
- ESR1221N wireless router Fast Ethernet White:Wi-Fi 4 (802.11n)
- 870HW-51a v2:802.11g
Operating relative humidity (H-H)
- ESR1221N wireless router Fast Ethernet White:15 - 95%
- 870HW-51a v2:20 - 85%
Operating temperature (T-T)
- ESR1221N wireless router Fast Ethernet White:0 - 45 °C
- 870HW-51a v2:0 - 40 °C
Storage temperature (T-T)
- ESR1221N wireless router Fast Ethernet White:-10 - 70 °C
- 870HW-51a v2:-20 - 60 °C
xDSL connection
- ESR1221N wireless router Fast Ethernet White:No
- 870HW-51a v2:Yes

Side by side

Differences highlightedShow differences only

Comparison of ESR1221N, 870HW-51a v2
52 specifications	A EnGenius ESR1221N wireless router Fast Ethernet White Model ESR1221N View product	B Zyxel 870HW-51a v2 View product
WAN connectionidentical
DSL WANKnown for one	Unknown — not stated by the source	Yes
Wireless LAN features2 differ
Top Wi-Fi standardDiffers	Wi-Fi 4 (802.11n)	802.11g
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g
WLAN data transfer rate (max)Known for one	150 Mbit/s	Unknown — not stated by the source
ModulationKnown for one	16-QAM, 64-QAM, BPSK, CCK, DBPSK, DQPSK, OFDM, QPSK	Unknown — not stated by the source
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN interface type	Fast Ethernet	Fast Ethernet
Ethernet LAN data rates	10,100 Mbit/s	10,100 Mbit/s
Cabling technologyKnown for one	Unknown — not stated by the source	10/100Base-T(X)
Networking standardsDiffers	IEEE 802.3	IEEE 802.11b, IEEE 802.11g, IEEE 802.3, IEEE 802.3u
Full duplexKnown for one	Unknown — not stated by the source	Yes
VPN supportKnown for one	Yes	Unknown — not stated by the source
DSL featuresidentical
VDSLKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	4
DC-in jack	Yes	Yes
Management featuresidentical
Reset buttonKnown for one	Unknown — not stated by the source	Yes
Web-based managementKnown for one	Yes	Unknown — not stated by the source
Quality of Service (QoS) supportKnown for one	Yes	Unknown — not stated by the source
Security1 differ
Security algorithmsDiffers	WPA-AES, WPA-PSK, WPA-TKIP	128-bit WEP, 64-bit WEP, WPA, WPA-PSK, WPA2, WPA2-PSK
Filtering	Yes	Yes
MAC address filtering	Yes	Yes
Firewall securityKnown for one	ICMP Blocking	Unknown — not stated by the source
Stateful Packet Inspection (SPI)Known for one	Yes	Unknown — not stated by the source
DoS attack preventionKnown for one	Yes	Unknown — not stated by the source
IP address filteringKnown for one	Yes	Unknown — not stated by the source
DMZ supportKnown for one	Yes	Unknown — not stated by the source
NAT functionalityKnown for one	Yes	Unknown — not stated by the source
Designidentical
Product colour	White	White
LED indicators	Yes	Yes
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	Phone (RJ-11), USB
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	EN55022 B EN61000-3-2: 2000 EN61000-3-3: 1995+A1:2001 FCC B
Antennaidentical
Antennas quantity	1	1
Antenna designKnown for one	External	Unknown — not stated by the source
Operational conditions3 differ
Operating relative humidity (H-H)Differs	15 - 95%	20 - 85%
Operating temperature (T-T)Differs	0 - 45 °C	0 - 40 °C
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 90%
Storage temperature (T-T)Differs	-10 - 70 °C	-20 - 60 °C
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	366 g
Other features2 differ
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	189 x 132 x 40 mm
Downstream data rateKnown for one	Unknown — not stated by the source	100 Mbit/s
Input currentKnown for one	Unknown — not stated by the source	1 A
Input voltageKnown for one	Unknown — not stated by the source	120V/230V/240V
Networking featuresKnown for one	Unknown — not stated by the source	Fast Ethernet
Power supply typeKnown for one	Unknown — not stated by the source	12V DC
Upstream data rateKnown for one	Unknown — not stated by the source	45 Mbit/s
WLAN data transfer rates supportedDiffers	1,2,6,9,11,12,18,24,36,48,54,150 Mbit/s	54 Mbit/s
xDSL connectionDiffers	No	Yes
BandwidthKnown for one	2.4 GHz	Unknown — not stated by the source
Data transfer rateKnown for one	150 Mbit/s	Unknown — not stated by the source
Protocolsidentical
DHCP clientKnown for one	Yes	Unknown — not stated by the source
DHCP serverKnown for one	Yes	Unknown — not stated by the source

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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