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Zigbee max devices

Alex Johnson

Is there any way in which I can use more than 200 devices in a Zigbee network?

I am trying to evaluate nRF52840 for healthcare (retirement homes, longterm living) and I can go up to 1000 devices in a network.

Of course I can split the network in multiple segments, but I need to have Zigbee pendants moving all around (which means they need to be part of the same network.

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    Hello Alex,

    I just started to work on Zigbee. But in my company, we have a Zigbee Network with 2500+ nodes. A coordinator by itself can't support so many devices, but we have about 700 repeaters in this network.

    Maybe you should consider thread to build your application (also works with nRF52840). We are planning to migrate the mentioned network to thread. Reason is that the coordinator in the Zigbee network is a single point of failure. With thread, we can have many border routers (otbr), so we have redundancy of the connection to the ethernet.

    Regards, Edi

  • 0 in reply to Eduard Iten

    I thought a coordinator cannot keep more than 200 devices registered on the same PAN ID, according to this constant here:

    ZB_CONFIG_OVERALL_NETWORK_SIZE

    Of course I will have a router for each 4-8 devices because the buildings are very large and to cover all areas I will need many repeaters.

    I would look at Thread, thanks for the advice.But I could not find any pendants for Thread. The Zigbee Pendants (SOS Buttons) at least exist, although I will have to talk to the manufacturer to make a smarted one that does not talk only with network coordinator.

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  • 0 in reply to Eduard Iten

    I thought a coordinator cannot keep more than 200 devices registered on the same PAN ID, according to this constant here:

    ZB_CONFIG_OVERALL_NETWORK_SIZE

    Of course I will have a router for each 4-8 devices because the buildings are very large and to cover all areas I will need many repeaters.

    I would look at Thread, thanks for the advice.But I could not find any pendants for Thread. The Zigbee Pendants (SOS Buttons) at least exist, although I will have to talk to the manufacturer to make a smarted one that does not talk only with network coordinator.

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