"The chief executives of AT&T (T.N) and Verizon Communications (VZ.N) rejected a request to delay the planned Jan. 5 introduction of new 5G wireless service over aviation safety concerns but offered to temporarily adopt new safeguards."
https://www.reuters.com/business/media-telecom/att-verizon-ceos-reject-us-request-5g-deployment-delay-2022-01-02/