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Key Features Extend Last Inch Network On Friday May 7th, 2021, Amazon announced a series of updates to Amazon Sidewalk. Sidewalk delivers last mile connectivity via a network bridge protocol on Amazon's smart home devices. The Sidewalk Bridge devices such as Echo products and Ring Floodlight Cams use a 900 MHz band and Bluetooth Low Energy (BLE), to extend WiFi networks

Digital giants Amazon and Google report earnings. As pandemic winners, both venerable big tech titans have shown the resiliency of their business models and their ability to enter new monetization models.