Wifi Power Throttling?

At Maker Faire, I had one person ask if there was a way to limit the power the wifi module uses. As far as I know, the range of the wifi network is one of the bigger factors that determines the power the module uses when doing wifi stuff. A use case would be calling something like Spark.wifi(128) in setup() that limits the max power used to 50% (out of a max 254 → 100%). I think a rational workaround would be to make sure the Core is as close as it can be to the access point, but it never hurts to ask.

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