Ring appears to be preparing a dedicated Sidewalk Bridge Pro device

Sidewalk is a low-bandwidth shared network for devices like trackers and motion sensors to be able to connect to the internet without needing full-fledged Wi-Fi or cellular connections.

Sidewalk, Extended Outdoor Device Connectivity

Sidewalk Bridge Pro by Ring Setup Guide

Dear cities, more of this please! : r/bicycling

Sidewalk Bridge Pro offers professional-grade connectivity

Taco Bell Rethinks the Drive-Thru With App-Based Vertical 'Food Tube

Sidewalk Bridge Pro by Ring Setup Guide

How to turn off Sidewalk on Ring devices

Sidewalk Bridge Pro by Ring Setup Guide

Sidewalk Compatible Devices

Sidewalk Bridge Pro by Ring Setup Guide

Sidewalk Releases a Hardware Developer Kit

Protocols and Ports Used by Ring Devices

Sidewalk: Devices & Accessories