I have checked with the RnD and what you are experiencing is a known issue. The solution is being developed, however, it is not available at the moment. I will update if there is a test firmware, if the feature is mandatory, but, in general, the solution should be included with the 7.3 firmware release, which has no set release date yet.
In the meantime, would it be possible to use 2.4GHz frequency?
Best regards,