The Matter Bridge pattern lets legacy devices (Zigbee, Z-Wave, KNX, EnOcean, proprietary protocols) be exposed as virtual Matter devices to a Matter ecosystem, by mapping their native features onto Matter Clusters.
True
A Matter Bridge is a single physical or software node that joins a Matter Fabric and presents one Bridged endpoint per legacy device behind it. On the back-end side it runs vendor drivers (Zigbee, Z-Wave, KNX, etc.); on the front-end side it advertises Matter device types and Clusters. The mapping is typically straightforward, for example a Zigbee OnOff cluster maps to the Matter OnOff Cluster with the same On, Off and Toggle commands. The pattern is what allows hubs like Aqara M3, SmartThings Hub and Home Assistant Core (since 2023) to deliver a Matter front door without ripping out the existing wireless infrastructure.
Bridges count as a single Matter node, so always check whether the bridge has a per-endpoint or per-fabric scaling cap; some early hubs throttle the number of Bridged endpoints far below the spec ceiling.
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