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XBee3 Zigbee network size

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Hi,

I am using XBee3 Zigbee 3.0 with firmware version of 100D. There are one coordinator and quite a number of router xbee in my network (no end devices). I encountered a problem (data unable to send to coordinator) before when there are around 38 router devices. After some findings, I changed the routing approach to many-to-one routing and the problem gone. Currently, I have 1 coordinator with 44 routers connect to it. And seem likes the problem occurred again.

I have read through this post https://www.digi.com/support/forum/1245/maximum-number-nodes-using-coordinator-and-router-devices?start=30#a_list_title , but unable to find an answer to it.

What is the solution for this issue and what is the maximum number of router can join to a coordinator?
asked Jan 25 in XBee3 ZigBee by KhorCJ New to the Community (1 point)

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1 Answer

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The answer is Roughly 65K routers. But the real issue is the overall throughput needed and the number of hops. The more hops, the lower the throughput.

Also has to do with the addressing used. If at all possible, try sending unicast packets instead of broadcast packets.
answered Jan 26 by mvut Veteran of the Digi Community (15,108 points)
If I want to split my network into two for sharing workload by adding another coordinator. The channel and stack profile settings remain default but having same PAN ID with the first coordinator. Will it causing problems to my network? What I want to achieve is those router XBee will select and join one of the coordinators automatically  based on signal strength (Join window is opened).
As long as you use a different channel, then it should be fine.
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