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Wake up radio

To the kind attention of Nordic support team,

I was reading this blog https://www.ericsson.com/en/blog/2017/12/wake-up-radio--a-key-component-of-iot

May I ask if Nordic is interested in adding this hardware feature?

Do you think a behavior like this could be successfully implemented using acoustic wake up receiver?

I've read up about mems microphones used to generate patterns that are recognized from a low frequency low power wake up device,

so that it can wake up main micro. I hope my question is not inconvenient, I would really appreciate an opinion on this issue from your experts.

Thank you for your attention and your work,

Best regards

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