Amazon Sidewalk will create entire smart neighborhoods. Here’s what you should know


James Martin/CNET

Amazon has had its sights set on the smart home ever since Alexa came along — but now the online mega-retailer is thinking bigger, and envisioning entire smart neighborhoods. First announced in 2019, the effort is called Amazon Sidewalk, and it uses a small fraction of your home’s Wi-Fi bandwidth to pass wireless low-energy Bluetooth and 900MHz radio signals between compatible devices across far greater distances than Wi-Fi is capable of on its own — in some cases, as far as half a mile, Amazon says.

You’ll share that bandwidth with your neighbors, creating a sort of network of networks that any Sidewalk-compatible device can take advantage of. Along with making sure things like outdoor smart lights and smart garage door openers stay connected when your Wi-Fi can’t quite reach them, that’ll help things like Tile trackers stay in touch if you drop your wallet while you’re out on a walk, or if your dog hops the fence.

Amazon Sidewalk is coming this year as a free feature for Alexa and Ring users.


Amazon

Maybe most noteworthy of all is that Amazon Sidewalk won’t require any new hardware, at least not for short-range benefits like

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