There are fears that 5G signals can interfere with radar altimeters on aircraft. The altimeters use frequencies close to those allotted to US 5G operators.
Buttigeig told the companies that deploying the service could force airlines into “widespread and unacceptable disruption.”
He asked for the delay to find “a near-term solution for advancing the co-existence of 5G deployment in the C-Band and safe flight operations.”
