How to test Airport Card?

How can I make sure that my Airport Card is working properly?

No, this doesn't indicate the AirPort card is dying. Clearly it can sustain the higher throughput when running under Windows.
Therefore this sounds like it comes down to an issue of configuration. Apple set default network parameters that work adequately in a wide range of network environments (e.g. from dialup through gigabit LAN networking), however, the settings are not ideal for any of them (they can't predict what kind of environment you'll be running in). Apparently Windows does a better job of either setting the defaults, or tuning the network parameters.
That's not to say that you can't get the AirPort to work the same way under Mac OS X, it's just that it needs a little tuning to get there. Unfortunately some of that tuning is distinctly 'under the hood' and can be a little daunting. If you're not confident in tweaking the system at that level, check out IPNetTuner X which does a lot of the hard work for you.

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    Message was edited by: sdschramm

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