D-Link DIR-457 wireless router White vs D-Link DIR655 + DWA-140

Comparison of DIR-457, DIR655 + DWA-140

34 specifications	A D-Link DIR-457 wireless router White Model DIR-457 View product	B D-Link DIR655 + DWA-140View product
Networkidentical
Ethernet LANKnown for one	Yes	—Unknown — not stated by the source
Supports ISDN connection	No	No
Receiver sensitivityKnown for one	- 802.11b (-86dBm) @ 11Mbps - 802.11g (-72dBm) @ 54Mbps	—Unknown — not stated by the source
Networking standardsKnown for one	—Unknown — not stated by the source	IEEE 802.11n
VPN supportKnown for one	—Unknown — not stated by the source	VPN pass-through
Ports & interfacesidentical
DC-in jackKnown for one	Yes	—Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	—Unknown — not stated by the source	4
Designidentical
Product colourKnown for one	White	—Unknown — not stated by the source
LED indicatorsKnown for one	Power	—Unknown — not stated by the source
Packaging contentidentical
ManualKnown for one	Yes	—Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	FCC Class B, CE Class B, NCC, GOST	—Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	2.5 W	—Unknown — not stated by the source
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	10 - 90%	—Unknown — not stated by the source
Operating temperature (T-T)Known for one	0 - 40 °C	—Unknown — not stated by the source
System requirementsidentical
Minimum RAMKnown for one	256 MB	—Unknown — not stated by the source
Minimum processorKnown for one	PowerPC G3	—Unknown — not stated by the source
Minimum storage drive spaceKnown for one	100 MB	—Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	75 g	—Unknown — not stated by the source
Other features2 differ
Compatible operating systemsDiffers	- Windows Vista, XP, 2000 - Mac OS X 10.4, 10.5, 10.6	Windows Vista
Dimensions (WxDxH)Known for one	110 x 65 x 13.6 mm	—Unknown — not stated by the source
Frequency rangeKnown for one	2.4 - 2.483 GHz	—Unknown — not stated by the source
Maximum data transfer rateDiffers	0.054 Gbit/s	1 Gbit/s
Minimum system requirementsKnown for one	- USB 2.0 port - MicroSD card	—Unknown — not stated by the source
Networking featuresKnown for one	Ethernet, Fast Ethernet	—Unknown — not stated by the source
Power requirementsKnown for one	DC 5V/1A	—Unknown — not stated by the source
xDSL connection	No	No
Output power descriptionKnown for one	802.11b (17dBm), 802.11g (14dBm)	—Unknown — not stated by the source
Data transfer rateKnown for one	—Unknown — not stated by the source	1000 Mbit/s
Supported data transfer ratesKnown for one	—Unknown — not stated by the source	10, 100, 1000
USB ports quantityKnown for one	—Unknown — not stated by the source	1
I/O portsKnown for one	—Unknown — not stated by the source	USB 2.0 1 x 10/100/1000Mbps WAN 4 x 10/100/1000Mbps LAN
Securityidentical
Stateful Packet Inspection (SPI)Known for one	—Unknown — not stated by the source	Yes
Network address translation (NAT)Known for one	—Unknown — not stated by the source	Yes
Antennaidentical
Antennas quantityKnown for one	—Unknown — not stated by the source	3

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.