47 C.F.R. § 101.515 Emissions and bandwidth.
Title 47 - Telecommunication
Different types of emissions may be authorized if the applicant describes fully the modulation and bandwidth desired, and demonstrates that the bandwidth desired is no wider than needed to provide the intended service. In no event, however, may the necessary or occupied bandwidth exceed the specified channel width of the assigned pair.
Title 47: Telecommunication
PART 101—FIXED MICROWAVE SERVICES
Subpart G—24 GHz Service and Digital Electronic Message Service
§ 101.515 Emissions and bandwidth.