Amazon sidewalk, to connect your amazon echo devices to your neighbor's devices automatically



Announced in 2019 in this article, there wasn't much of the enthusiasm generated by Amazon Sidewalk, presented as a service designed to partially share our Wi-Fi connection with our neighbours, who in turn would have the ability to share it with others.

The concept behind this project lies in the creation of a large network that acts robustly against failures so that it provides support at all times to devices in the Amazon Echo family to ensure its operation, even if the Wi-Fi connection is interrupted.

Amazon Sidewalk has now been announced to be launched in the United States, with Amazon deciding to activate it by default.

In this way, those users who do not wish to be part of the network must disable this feature on their own.



How does Amazon Sidewalk work?

Amazon Sidewalk makes partial use of the Wi-Fi network to transmit Bluetooth Low Energy signals or radio signals (LoRa), allowed by devices such as the new echo or spherical Echo Dot, in a band range located at 900 Hz.

These signals are then sent to compatible devices, such as Amazon Echo speakers and smart displays, and can have a maximum range of 800 meters according to Amazon.

Thus, all those devices such as speakers, lights and intelligent garage door opening systems that are within the range of this network will benefit, thus achieving a greater range compared to The Wi-Fi signals that have always been characterized by having a limited range.

However, given its automatic activation, many people may not notice that they are being part of that network, which has been a source of controversy.



And while this concept is interesting to some experts, the truth is that such a service might be prone to sending users' personal data to Amazon's servers.

Ahead of this, Amazon released a  September report revealing how user privacy would be protected with the activation of this service.

Also, there is the concern generated around how much bandwidth the Wi-Fi connection will be taken by this service to function. According to Amazon, this will only be about 80 kbps, with a maximum data capacity of 500 MB per month.

However, given how small the data packets handled by this service are, that figure is likely to never be reached or exceeded.

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