Zigbee devices didn't pairing through mesh

[lemetriss (Dmitry)]

A problem:
Several devices have poor lqi. As I understood that devices should connecting through others. Or I must set it up somehow?

HASS + Zigbee2mqtt (Mosquito Broker) + Sonoff stick.

[Pippyn]

It looks like you only have end devices (battery powered). Most mains powered devices can function as routers to create a mesh.

[Hedda]

The key to a good Zigbee network is to have many “Zigbee Router” devices so uses mesh networking.

You need (several) mains-powered Zigbee devices that act as “Zigbee Router” devices, do read/follow:

https://community.home-assistant.io/t/guide-for-zigbee-interference-avoidance-and-network-range-coverage-optimization/515752

Zigbee networks: how to guide for avoiding interference and optimize for getting better range + coverage

Who is this guide for? I have tried to make this guide to be a comprehensive collection of the most basic yet essential tips with a set of actions and best practice steps that should be applicable to all types of Zigbee setups, regardless of what type of Zigbee adapter/gateway/hub/bridge/devices that you are using, however, it has been written with a point-of-view in mind of Zigbee solutions that use a Zigbee Coordinator adapter locally via USB dongle/stick or remotely using a serial server ove…