Product comparison · 2 network cards

Buffalo 125Mbps High Speed Mode Wireless PCI Adapter vs Buffalo 54 Mbps Wireless USB 2.0 Keychain Adapter

Key differences

Host interface
- 125Mbps High Speed Mode Wireless PCI Adapter:PCI
- 54 Mbps Wireless USB 2.0 Keychain Adapter:USB
Maximum data transfer rate
- 125Mbps High Speed Mode Wireless PCI Adapter:125 Mbit/s
- 54 Mbps Wireless USB 2.0 Keychain Adapter:54 Mbit/s
Security algorithms
- 125Mbps High Speed Mode Wireless PCI Adapter:WEP
- 54 Mbps Wireless USB 2.0 Keychain Adapter:WEP, WPA
Width
- 125Mbps High Speed Mode Wireless PCI Adapter:120 mm
- 54 Mbps Wireless USB 2.0 Keychain Adapter:25 mm
Depth
- 125Mbps High Speed Mode Wireless PCI Adapter:50 mm
- 54 Mbps Wireless USB 2.0 Keychain Adapter:11 mm
Height
- 125Mbps High Speed Mode Wireless PCI Adapter:1.6 mm
- 54 Mbps Wireless USB 2.0 Keychain Adapter:83 mm
Weight
- 125Mbps High Speed Mode Wireless PCI Adapter:94 g
- 54 Mbps Wireless USB 2.0 Keychain Adapter:20 g
Compliance industry standards
- 125Mbps High Speed Mode Wireless PCI Adapter:IEEE 802.11b, IEEE 802.11g
- 54 Mbps Wireless USB 2.0 Keychain Adapter:IEEE 802.11g, IEEE 802.11b

Differences highlightedShow differences only

Comparison of 125Mbps High Speed Mode Wireless PCI Adapter, 54 Mbps Wireless USB 2.0 Keychain Adapter
20 specifications	A Buffalo 125Mbps High Speed Mode Wireless PCI Adapter View product	B Buffalo 54 Mbps Wireless USB 2.0 Keychain Adapter View product
Ports & interfaces1 differ
Connectivity technology	Wireless	Wireless
Host interfaceDiffers	PCI	USB
Network2 differ
Maximum data transfer rateDiffers	125 Mbit/s	54 Mbit/s
Wi-Fi band	Single-band (2.4 GHz)	Single-band (2.4 GHz)
Frequency range	2.412 - 2.462 GHz	2.412 - 2.462 GHz
Security algorithmsDiffers	WEP	WEP, WPA
ModulationKnown for one	CCK, DBPSK, DQPSK, DSSS, OFDM	Unknown — not stated by the source
Designidentical
Antenna designKnown for one	Unknown — not stated by the source	Internal
System requirementsidentical
Compatible operating systems	Windows 98SE/Me/2000/XP	Windows 98SE/Me/2000/XP
Operational conditionsidentical
Operating temperature (T-T)	0 - 55 °C	0 - 55 °C
Operating relative humidity (H-H)	20 - 80%	20 - 80%
Weight & dimensions4 differ
WidthDiffers	120 mm	25 mm
DepthDiffers	50 mm	11 mm
HeightDiffers	1.6 mm	83 mm
WeightDiffers	94 g	20 g
Other features2 differ
Compliance industry standardsDiffers	IEEE 802.11b, IEEE 802.11g	IEEE 802.11g, IEEE 802.11b
Channels quantity	11 channels	11 channels
Supported data transfer ratesDiffers	1 - 125 Mbps	1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, 54 Mbps
Outdoor rangeKnown for one	Unknown — not stated by the source	50m @ 54Mbps 400m @ 2Mbps
Indoor rangeKnown for one	Unknown — not stated by the source	20m @ 54Mbps 90m @ 2Mbps

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.