Home › CFR › Title 47 › Part 8847 CFR Part 88 — Uncrewed Aircraft System ServicesSubpart A — General Rules§ 88.1— Scope.§ 88.3— Application of other rule parts.§ 88.5— Definitions.Subpart B — Non-Networked Access§ 88.25— Limitations on NNA communications.§ 88.27— Authorization.§ 88.29— Frequencies.§ 88.31— Non-networked access use.§ 88.33— Information requirements.§ 88.35— National radio quiet zone coordination.Subpart D — Technical Requirements§ 88.101— Transmitter power.§ 88.103— Emissions bandwidth.§ 88.105— Emission mask.§ 88.107— Out-of-band emission limits.§ 88.109— Time division duplex requirement.§ 88.111— Certification required.§ 88.113— Authorization of equipment.§ 88.117— Incorporation by reference.Subpart E — Dynamic Frequency Management Systems§ 88.135— DFMS requirements.§ 88.137— DFMS administrators.§ 88.139— DFMS administrator fees.§ 88.141— Interim access mechanism.