47 CFR § 30.208
Operability
February 16, 2021
Mobile and transportable stations that operate on any portion of frequencies within the 27.5-28.35 GHz or the 37-40 GHz bands must be capable of operating on all frequencies within those particular bands. Mobile and transportable stations that operate on any portion of either the 24.25-24.45 GHz or 24.75-25.25 GHz bands must be capable of operating on all frequencies within both of those bands.
[83 FR 34492, July 20, 2018]