Hmmm.
David Priest reports:
If you have a new Amazon Echo smart speaker, a Ring Spotlight Cam or a Ring Floodlight Cam, you might want to check your Alexa app settings: Amazon is automatically switching on Sidewalk, a new feature that slices off some of your Wi-Fi bandwidth to create a farther-reaching network for Amazon devices using Bluetooth or 900MHz radio signals to communicate.
Amazon Sidewalk has the potential to increase the range of your smart home devices — making them more reliable at greater distances from your router and other gear — but its privacy and security implications remain largely untested.
Read more on CNET.