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What's a rough ratio of power consumption by wifi compared to cable? I'm guessing the wifi transmitters are like radio towers but shorter, emitting radiation radially from the "tower", unless orientation doesn't matter and there are two other wires so coverage is spherical? Our mesh network units each have an obvious base, though I haven't looked inside yet.

I don't care much about heat from electronics when I'm trying to warm the space anyway, but I'd rather minimize it in the summertime.



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