this post was submitted on 05 Dec 2023
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No. They need a separate rf field generator. Not just picking up on any stray rf or rf from your wifi. It says as much in the article.
As to the technical reasons behind why your routers frequency can't be used, I don't know. I'm guessing the 2.4 and 5ghz range just isn't something that works at a proper enough frequency to oscillate and gather charge. They've been using a lower frequency of around 915 mhz for rf chargers.