Product comparison · 2 network cards

D-Link DWL-G550 network card 108 Mbit/s vs D-Link DWL-G680 network card 108 Mbit/s

Key differences

Host interface
- DWL-G550 network card 108 Mbit/s:PCI
- DWL-G680 network card 108 Mbit/s:CardBus
Operating relative humidity (H-H)
- DWL-G550 network card 108 Mbit/s:0 - 90%
- DWL-G680 network card 108 Mbit/s:10 - 90%
Width
- DWL-G550 network card 108 Mbit/s:107 mm
- DWL-G680 network card 108 Mbit/s:50.8 mm
Depth
- DWL-G550 network card 108 Mbit/s:168 mm
- DWL-G680 network card 108 Mbit/s:44.6 mm
Height
- DWL-G550 network card 108 Mbit/s:4 mm
- DWL-G680 network card 108 Mbit/s:5 mm
Weight
- DWL-G550 network card 108 Mbit/s:77 g
- DWL-G680 network card 108 Mbit/s:55 g

Differences highlightedShow differences only

Comparison of DWL-G550, DWL-G680
19 specifications	A D-Link DWL-G550 network card 108 Mbit/s Model DWL-G550 View product	B D-Link DWL-G680 network card 108 Mbit/s Model DWL-G680 View product
Ports & interfaces1 differ
Connectivity technology	Wireless	Wireless
Host interfaceDiffers	PCI	CardBus
Networkidentical
Maximum data transfer rate	108 Mbit/s	108 Mbit/s
Wi-Fi bandKnown for one	Single-band (2.4 GHz)	Unknown — not stated by the source
Modulation	BPSK, CCK, DBPSK, DQPSK, DSSS, OFDM, QPSK	BPSK, CCK, DBPSK, DQPSK, DSSS, OFDM, QPSK
Designidentical
Mean time between failures (MTBF)	30000 h	30000 h
Certification	FCC part 15.247, 15.205, 15.209 UL1950-3 f/ CSA Mark	FCC part 15.247, 15.205, 15.209 UL1950-3 f/ CSA Mark
Product colourKnown for one	Unknown — not stated by the source	Black, White
Operational conditions1 differ
Operating temperature (T-T)	0 - 55 °C	0 - 55 °C
Operating relative humidity (H-H)Differs	0 - 90%	10 - 90%
Weight & dimensions4 differ
WidthDiffers	107 mm	50.8 mm
DepthDiffers	168 mm	44.6 mm
HeightDiffers	4 mm	5 mm
WeightDiffers	77 g	55 g
Other featuresidentical
GainKnown for one	5 dBi	Unknown — not stated by the source
Compliance industry standards	IEEE 802.11b, IEEE 802.11g, 802.1x	IEEE 802.11b, IEEE 802.11g, 802.1x
Link/Act LED	Yes	Yes
Supported data transfer rates	802.11g: 108, 54, 48, 36, 24, 18, 12, 9, 6Mbps / 802.11b: 11, 5.5, 2, 1Mbps	802.11g: 108, 54, 48, 36, 24, 18, 12, 9, 6Mbps / 802.11b: 11, 5.5, 2, 1Mbps
Non-operating relative humidity (non-condensing)	5 - 95%	5 - 95%

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.