I have a Zha coordinator can i add an Zigbee2mqtt coordinator to the same HA?

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my zha coordinator is a Sonoff ZBdongle-E and works properly with over 80 zha devices

I bought also a Sonoff ZBdongle-p and used the guide from this fellow https://www.youtube.com/watch?v=4y_dDgo0i2g and finally installed mqtt but soon all my existing zha devices where marked as unknown (i think this occured because both coordinators worked in the same frequency) so everything became a mess and I had to use a backed up clone of my ha to recover ha functionality.

What I want to do, HA already has a Zha coordinator and I want to add an Zigbee2mqtt coordinator to the same HA to use it with other devices than the already installed devices, can this be done? If answer is yes please give me further instructions about how to achieve this!

Which coordinator firmware to flash to Sonoff ZBdongle-p so I can use it with zigbee2mqtt in HA? How to make it work in another frequency to my existing Sonoff ZBdongle-e coordinator?

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Hello teochris,

Yup, certainly can. Make sure the channels are not the same for broadcast. Things get confused occasionally with ZHA being unhappy, but I do it.
OK, make double certain you are using the by device or by serial when connecting the USB dongle. don’t use the tty or usb port name, use one of the long ones.

I have one wifi to zigbee on a zha network, and a usb to zigbee z2m network.