Make sure you are not choosing an overlapping channel and keep in mind that Zigbee channel numbers are different than the WiFi 2.4 channels. (See here: https://community.home-assistant.io/t/should-i-change-my-zigbee-channel/441583/5?u=af360
Make sure you are not choosing an overlapping channel and keep in mind that Zigbee channel numbers are different than the WiFi 2.4 channels. (See here: https://community.home-assistant.io/t/should-i-change-my-zigbee-channel/441583/5?u=af360